Assignment-

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PATIENT CASE STUDY:

You will research and identify any actual/potential medication issues and create a plan to solve these issues using the ASE-C-POP framework. It is suggested you read the following article, as it will assist you in understanding the aspects of this framework:

https://qut.rl.talis.com/items/2DADDE09-B143-78C6-2FD0-54275D2C0DA6.html?referrer=%2Fsections%2FF9931B3E-072E-4248-1099-3E5A6A9E027D.html%3Fembed%3Dtrue%23item-2DADDE09-B143-78C6-2FD0-54275D2C0DA6


ASE-C-POP FRAMEWORK CHART:


Your submission MUST use the ASE-C-POP chart template provided to you in the group assignment folder blackboard:


Chart Specifications:

·       Your submission must fit into the

two-page

framework using the following specifications:

·       Margins must be kept at the set size within template provided

·       Times New Roman Font

·       No smaller than 11-point font size

·       You MAY resize the individual sections, e.g. if you require more space for your therapeutic plan, that cell can be made larger – as long as the ENTIRE chart fits on two A4 pages (this does NOT include your references)

·

QUT NUMBERED REFERENCING MUST BE USED

– please access instructions of how to use this referencing style via the library.


LINK:

http://www.citewrite.qut.edu.au/cite/qutcite.jsp#numbered


PLEASE NOTE: FAILURE TO COMPLY WITH ANY OF THESE GUIDELINES WILL RESULT IN ZERO MARKS FOR THIS ASSESSMENT


ASSIGNMENT RUBRIC

Please refer to the assignment rubric

on the following page

for a more detailed breakdown of how marks will be awarded for this assignment.

It is important for you to note that you do not start with 100% and lose marks; you start with zero and EARN marks based on your submission.

Assignment-
Group Assignment Instructions BASICS: Assignment: Group ASE-C-POP chart Weight: 30% PATIENT CASE STUDY: You will research and identify any actual/potential medication issues and create a plan to solve these issues using the ASE-C-POP framework. It is suggested you read the following article, as it will assist you in understanding the aspects of this framework: https://qut.rl.talis.com/items/2DADDE09-B143-78C6-2FD0-54275D2C0DA6.html?referrer=%2Fsections%2FF9931B3E-072E-4248-1099-3E5A6A9E027D.html%3Fembed%3Dtrue%23item-2DADDE09-B143-78C6-2FD0-54275D2C0DA6 Also, see next page for further guideline on what ASE-C-POP headings refer to: ASE-C-POP FRAMEWORK CHART: Your submission MUST use the ASE-C-POP chart template provided to you in the group assignment folder blackboard: Chart Specifications: Your submission must fit into the two-page framework using the following specifications: Margins must be kept at the set size within template provided Times New Roman Font No smaller than 11-point font size You MAY resize the individual sections, e.g. if you require more space for your therapeutic plan, that cell can be made larger – as long as the ENTIRE chart fits on two A4 pages (this does NOT include your references) QUT NUMBERED REFERENCING MUST BE USED – please access instructions of how to use this referencing style via the library. LINK: http://www.citewrite.qut.edu.au/cite/qutcite.jsp#numbered PLEASE NOTE: FAILURE TO COMPLY WITH ANY OF THESE GUIDELINES WILL RESULT IN ZERO MARKS FOR THIS ASSESSMENT ASSIGNMENT RUBRIC Please refer to the assignment rubric on the following page for a more detailed breakdown of how marks will be awarded for this assignment. It is important for you to note that you do not start with 100% and lose marks; you start with zero and EARN marks based on your submission. Marking Rubric – Assessment 2 –ASE-C-POP Chart (25% weight) – Semester 2, 2017 Patient Case chosen by the Student Team: Mary or Dennis (circle) 0 % 25% Requires Improvement 50% Benchmark 75% Proficient 100% Accomplished Overall submission presentation/language [10%] Did not follow assignment instructions, chart did not fit onto two A4 pages, margins changed, smaller than size 11 Times New Roman font used Template used correctly. Little/no use of professional language, many spelling or grammatical errors. Template used correctly. Some use of professional language, some spelling or grammatical errors. Template used correctly. Good use of professional language, very few spelling or grammatical errors. Template used correctly. Excellent use of professional language, no spelling or grammatical errors. Identified therapeutic issues (actual & potential problems) of the case scenario, by sourcing & applying up-to-date pharmacotherapeutic & clinical knowledge. [30%] Did not follow assignment instructions or no problems discussed. Poor understanding & description of the actual & potential problems. No distinction between actual & potential problems. Some understanding & description of actual & potential problems. Some distinction between actual & potential problems. Good understanding & description of actual & potential problems. Good distinction between actual & potential problems. Excellent understanding & description of actual & potential problems. Excellent distinction between actual & potential therapeutic problems. Demonstrated therapeutic decision-making and a therapeutic plan using Quality Use of Medicines (QUM) principles [30%] Did not follow assignment instructions or no management plan devised that addressed QUM issues in this patient. Information factually incorrect or confusing & inadequate & results in significant and/or immediate patient harm. Poorly devised management plan that does not address QUM issues for this patient. Information is factually incorrect or confusing or inadequate & results in patient harm. Management plan devised that adequately addresses most QUM issues in this patient. Information is rarely factually incorrect or inadequate but should not result in patient harm. Management plan devised that addresses all QUM issues in this patient, with some justification of prioritisation. Information is factually correct & accurate. Articulated various options prior to presentation of chosen therapeutic plan. Management plan devised that addresses all QUM issues for this patient with excellent justification of problem/s, Information is factually correct & accurate. Concise & direct & convincing. Articulated various options prior to presentation of chosen therapeutic plan. Therapeutic Plan Identifies opportunities for collaboration to improve patient care with a multi-professional context [10%] Did not follow assignment instructions or demonstrated no opportunities for collaboration between other health disciplines. Demonstrated some opportunities for collaboration between other health disciplines in an attempt to improve patient care. Demonstrated good opportunities for collaboration between other health disciplines to improve patient care. Demonstrated a very good description of opportunities for collaboration between other health disciplines to improve patient care. Demonstrated an excellent description of opportunities for collaboration between other health disciplines to improve patient care. Appropriate and up-to-date In-text Referencing and Reference list in QUT Numbered Referencing Style [20%] Did not follow assignment instructions, or Failure to use QUT numbered referencing & Reference List and/or irrelevant, imprecise or inaccurate referencing. Some evidence of a QUT numbered reference List, with mostly limited references and mostly inaccurate referencing. Good evidence of an overall comprehensive QUT numbered Reference List with up-to-date references, relevant, appropriate, with mostly precise and accurate referencing with some errors. Strong evidence of an overall comprehensive QUT numbered Reference List that is up-to-date, relevant, appropriate; and precise and accurate referencing with few errors. Strong evidence of a comprehensive QUT numbered Reference List that is up-to-date, relevant, appropriate; and precise and accurate referencing with no errors. Assessors’ Notes: Did the team submit their framework within the TWO PAGE TEMPLATE PROVIDED? Y/N – if NO: zero marks Hard copy of team contract submitted? Y/N; Which Student submitted? …………………. WORKSHOP DAY & TIME: Room Location: TEAM NUMBER: Assessor 1 initials: ……. Grade Awarded: Assessor 2 Initials: …… Grade Awarded: FINAL GRADE:
Assignment-
Patient Case 2 – DENNIS Mr Dennis Vale 22 Stretton St QLD 4112 Diagnosis: Presenting Complaint: Respiratory infection Medical History: Hypertension (Since 2000) Type 2 Diabetes (Recent < 6 months) Medication History: ramipril 5mg 1 daily metformin 1g twice a day simvastatin 40mg 1 at night aspirin 100mg 1 daily ibuprofen 400mg 1 tablet three times daily, when needed Allergies/previous Adverse Drug Reactions: penicillin – anaphylaxis (as a young man; not re-challenged) Age: 78 Weight: 98 kg Height: 167cm Smoking: no Alcohol consumption: Admits to 2 or 3 glasses of red wine every night Lab Tests/Diagnostic tests 15/3/17: BP: 155/95 mmHg Glycated haemoglobin concentration (HbA1c), 53 mmol/mol (7%) Renal impairment: CrCl 10 mL/minute. Potassium: 5.8 mmol/L Dennis is a widower who lives by himself. After losing his wife Pamela a year ago, Dennis has not been himself – he misses his wife. Previously he used to go for regular walks with Pamela, but now prefers to stay in. He cannot be bothered preparing meals and so his diet comprises mainly of fast food or instant pre-packaged meals. He has put on 10kg within 3 months and states he likes to eat 2 to 3 bananas every day. Dennis was recently diagnosed with Type 2 diabetes which he finds hard to accept, as he had been healthy for most of his life. He was prescribed metformin 5 months ago. Initially he experienced terrible stomach aches and some diarrhoea, but this has resolved in the last few months. Dennis has been prescribed a new prescription for his respiratory infection: Augmentin Duo Forte 875/125mg: 1 tablet twice a day for one week. He is reluctant to take more prescribed medicines and wonders if a complementary medicine would help with his chest infection. You are required to present the following in the provided ASE-C-POP template:  Identify all actual and potential therapeutic problems in this case, focussing on Quality Use of Medicines approaches (drug & non-drug strategies or concerns);  Outline & discuss available options to resolve the issues identified (in order of priority);  Explain your team’s therapeutic plan as solutions to the therapeutic problems identified; and  Outline other healthcare professionals that Dennis could be referred to. Refer to the Assignment Instructions for further information.
Assignment-
Group assignment ASE-C-POP A Appropriate S Safe E Effective C Comprehensive review P Problem list O Options P Plan References
Assignment-
PHARMACOEPIDEMIOLOGY Edited by Abraham G. Hartzema, Miquel S. Porta, and Hugh H. Tilson DRUG-RELATED PROBLEMS: THEIR STRUCTURE AND FUNCTION Linda M. Strand, Peter C. Morley, RobertJ. Cipolle, Ruthanne Ramsey, and Grace D. Lamsam ABSTRACf: In order to better focus the role of the pharmacist on patient need and patient outcome, a means of categorizing drug-related problems (DRPs) is presented. A DRP exists when a patient experiences or is likely to experience either a disease or symptom having an actual or suspected relationship With drug therapy. Eight different categories of DRPs are described and examples of each category are offered. This categorization serves a number of functions, such as: (1) to illustrate how adverse drug reactions form but one category of extant DRPs, (2) to make tangible the pharmacist’s role for the future, (3) to serve as a focus for developing a systematic process whereby the pharmacist contributes significantly to the overall positive outcome of patients, (4) to bring to pharmacy practice a vocabulary consistent with that of other healthcare professionals, and (5) to aid in the development of standards of practice for pharmacists. DJCP Ann Pharmacother 1990;24:1093-7. PATIENT-ORIENTED CLINICAL PHARMACY is coming of age at a time when the healthcare system is characterized by change, particularly in the form of powerful economic forces. During this time when the healthcare system is caught up in economic determinism and its impact on shap­ ing policy, there are increasing demands for pharmacists to LINDA M. STRAND, Pharm.D., Ph.D., is an Associate Professor, Department of Pharmacy Practice; PETER C. MORLEY, Ph.D., is a Professor, Deparbnent of Phar­ macy Practice; ROBERT J. CIPOLLE, Pharm.D., is the Associate Dean, College of Pharmacy, University of Minnesota; RUTHANNE RAMSEY, Pharm.D., is a Profes­ sional Research Associate, School of Medicine, University of Colorado; and GRACE D. LAMSAM, Pharm.D., is a Graduate Assistant, Deparbnent of Pharmacy Practice, College of Pharmacy, University of Minnesota. Reprints: Linda M. Strand, Pharm.D., Ph.D., Department of Pharmacy Practice, College of Pharmacy, University of Min­ nesota, 5-130 Health Sciences Unit F, 308 Harvard St., SE, Minneapolis, MN 55455. ABRAHAM G. HARTZEMA, Ph.D., M.S.P.H., is an Associate Professor, Phar­ macy Administration, School of Pharmacy, and a Clinical Associate Professor, Health Policy and Administration, School of Public Health, University of North Carolina, Chapel Hill, NC 27514; MIQUEL S. PORTA, M.D., M.P.H., is an Adjunct Assistant Professor, Department of Epidemiology, School of Public Health, University of North Carolina; an Associate Professor, Universitat Autonoma de Barcelona; and the Director, Clinical Epidemiology Unit, lnstitut Municipal d’lnves­ tigacio Medica, Barcelona, Spain; and HUGH H. TILSON, M.D., M.P.H., Dr.P.H., is the Director, Division of Epidemiology, Information, and Surveillance, Burroughs Wellcome Company; a Clinical Professor, Department of Family Medi­ cine, School of Medicine, and an Adjunct Professor, Department of Epidemiology, School of Public Health, and Department of Pharmacy Administration, School of Pharmacy, University of North Carolina, Chapel Hill, NC 27514. define their function, purpose, and value in terms of the pharmacotherapeutic impact pharmacy has on actual pa­ tient outcome. If the profession is serious about developing a rigorous, comprehensive, and patient-specific clinical pharmacy service, then the concept of patient outcome must be addressed. Pharmacists must define their profes­ sional function from the perspective of the whole patient, in the biopsychosocial sense, and not primarily from that of the pharmaceutical agent in question (e.g., gentamicin, theophylline) or the technical instrument employed (e.g., pharmacokinetic dosing, cholesterol measurement, blood pressure monitoring, nutritional protocol development). 1 The purpose of this article is to provide the practicing pharmacist with a means of categorizing drug-related prob­ lems (DRPs), in order to focus on the patient and move away from the profession’s preoccupation with the pharmaceuti­ cal agent or the technical process employed to understand the agent. All eight categories presented here are “patient” problems that need the attention of the pharmacist. The identification, resolution, and prevention of these problems is the focus of a professional role that is truly proactive and patient-focused, and contributes to positive patient out­ come. Patient Outcomes It is the primary objective of all healthcare providers to improve the quality of each patient’s life to the extent that they are able. Physicians, nurses, pharmacists, and other healthcare providers work continually to produce four gen­ eral patient outcomes: (1) to cure a disease, (2) to eliminate or reduce a patient’s symptomatology, (3) to arrest or slow a disease process, and (4) to prevent a disease or symptom. 2 These can be clearly delineated as essential patient out­ comes to which knowledge, techniques, and judgment are directed in a systematic, comprehensive manner. The achievement of the general patient outcomes de­ scribed above depends on each healthcare practitioner to contribute expertise to solve those patient problems rele- DICP, The Annals of Pharmacotherapy • 1990 November, Volume 24 • 1093 vant to the practitioner’s specific practice. Pharmacists con­ tribute to these general patient outcomes by ensuring successful drug therapy. The pharmacist applies unique knowledge, skills, and tools to determine if a patient is experiencing potential or actual DRPs. When the pharma­ cist proceeds to resolve any actual DRPs, very specific, desired pharmacotherapeutic outcomes are identified for each patient’s problems. 3 When these specific outcomes are successfully achieved, the pharmacist has contributed to the general patient outcomes described above. A systematic process, the Pharmacist’s Workup of Drug Therapy, helps the pharmacist to determine if a patient has the potl!ntial to experience or is actually experiencing a DRP, and has been described elsewhere. 3 However, to intervene in a patient’s drug therapy prospectively and con­ sistently, and to document how that intervention can lead to positive patient outcomes, it is important to understand the different types of patient-specific DRPs that a patient might develop. Structure of Drug-Related Problems A DRP is an undesirable patient experience that involves drug therapy and that actually or potentially interferes with a desired patient outcome. It should be noted here that the use of the term “problem” in the phrase “drug-related problem” is used to denote a drug-related event amenable to detection, treatment, or more appropriately, prevention, and should not be interpreted in the common usage where it vaguely communicates the idea that “something (puzzle, paradox, perplexity) is wrong here.” In order for an event to qualify as a DRP, at least two conditions must exist: (1) a patient must be experiencing, or must be likely to experience, disease or symptomatology; and (2) these conditions must have an identifiable or sus­ pected relationship with drug therapy. For example, a pa­ tient may present with cellulitis that requires antibiotic treatment or a patient may experience hypotension due to an inappropriate dose of clonidine. Practitioners frequently perceive that there are an infinite number of DRPs. However, we have concluded that such perceptions are largely the result of unstructured observa­ tions and experience. When approached for the purpose of creating major categories within the above conceptual framework, the possibilities appear to be limited. We sub­ mit that there are eight major categories of DRPs. Categories of Drug-Related Problems DRPs may be identified or characterized by the follow­ ing distinctions: 1. The patient has a medical condition that requires drug therapy (a drug indication) but the patient is not receiving a drug for that indication. 2. The patient has a medical condition for which the wrong drug is being taken. 3. The patient has a medical condition for which too lit­ tle of the correct drug is being taken. 4. The patient has a medical condition for which too much of the correct drug is being taken. · 5. The patient has a medical condition resulting from an adverse drug reaction. 6. The patient has a medical condition resulting from a drug-drug, drug-food, drug-laboratory interaction. 7. The patient has a medical condition that is the result of not receiving the prescribed drug. 8. The patient has a medical condition that is the result of taking a drug for which there is no valid medical indica­ tion. It should be emphasized that all eight of these may be ac­ tual problems experienced by the patient or potential prob­ lems to be prevented. It may also be helpful to reiterate that classification of DRPs mandates the inclusion of the patient’s undesirable event (experience of a symptom or disease) and a statement of that event’s actual or potential relationship to drug therapy. With this in mind, it should be clear that many of the traditional categories of drug therapy problems focus on the drug and not the patient, and, there­ fore, do not meet the criteria established here that help to ensure that the pharmacist is able to have a tangible impact on actual patient outcomes. Some of the categories that fall short of this definition of a DRP include the correct drug, dose, frequency, duration, route, and monitoring. These descriptions fall short because they do not include the pa­ tient or the relationship of the problem to the patient, and the category does not indicate specific action that needs to be taken by the pharmacist. Although inappropriate deci­ sions or behavior falling into these four categories can easily cause patient-specific DRPs, as they are defined here, they do not represent the actual DRP itself. Other tra­ ditional ways of conceptualizing problems with drug therapy include drug prescribing, dispensing, adminis­ tration, and monitoring. Placing these DRPs in a practice context facilitates an understanding of the circumstances in which each might develop. Also, specific examples are provided for clarifica­ tion. Examples of Drug-Related Problems MEDICAL INDICATION FOR DRUG THERAPY A number of common circumstances develop where the patient is in need of drug therapy but is not receiving it. For example, a patient is being appropriately treated for periph­ eral vascular disease but is not receiving treatment for a developing anemia. Here, the focus of treatment is on the primary condition and the new problem has not been iden­ tified or treated. In a more sociologic vein we could find a patient who has .been transferred from one hospital to another, from one physician to another, or who has changed pharmacies. Thus, the continuity of drug therapy has been interrupted. Those conditions in which the patient is in need of pro­ phylaxis or premedication are additional examples of this particular type of DRP. Moreover, in some cases, patients need a synergistic or potentiation effect from a drug, which defines the need for additional drug therapy. For example, cancer chemotherapy often uses combination therapy to effect a greater cell kill than could be achieved with mono­ therapy. Similarly, at least two antibiotics are always neces­ sary to eradicate active tuberculosis because of the rapid emergence of resistance associated with single-drug therapy. THE WRONG DRUG IS BEING USED Sometimes the drug therapy used to treat a patient’s med­ ical condition is determined to be ineffective, or a drug 1094 • DICP, The Annals of Pharmacotherapy • 1990 November, Volume 24 therapy likely to be more effective exists but is not being used. Additionally, some patients receive a particular drug therapy in the presence of an allergy to that drug, or receive drug therapy when contraindications exist. Other obvious situations present themselves to the clinician. For example, if an effective drug is being used to treat a patient’s medical condition but there is an equally effective but less expensive drug available, then it could be argued that the wrong drug is being used. Here the consensual theme of patient involvement is central to the decision-making process. The burdens-to-benefits calculation would be considered if, for example, there exists an equally effective, safer drug than that presently being used. If a patient is receiving combina­ tion therapy when a single drug would be expected to be equally effective, then the patient has a DRP requiring attention. TOO LITTLE OF THE CORRECT DRUG Although it may be a fundamental, positive tenet of ho­ meopathic medicine, too little (suboptimal) drug may be classified as a DRP when the desired outcome for a patient is not being realized (i.e., infection is not responding to suboptimal antibiotic treatment). In essence, if a drug dose is not individualized for a spe­ cific patient, taking into consideration all of the appropriate drug, disease, and patient-specific information, then the dose may be deemed less than optimal. Also, if a desired serum drug concentration was calculated appropriately and not achieved (along with all the appropriate clinical signs/ symptoms) then it might be argued that this type of DRP is present. There are other parameters, which, if not attended to, would lead to suboptimal therapeutics. A patient who is re­ ceiving an inappropriate dosing interval or a regimen not continued long enough could result in too .little drug being available to the patient. For example, only the Kapseal for­ mulation ofDilantin is labeled as “extended” and provides the support for once-daily dosing. use of more rapidly ab­ sorbed preparations on a once-daily basis may lead to widely fluctuating serum concentrations and potential loss of seizure control in a patient. It is also important to note that calculations based on varying bioavailabilities and conversions to different form­ ulations of a drug therapy may also lead to suboptimal treat­ ment. For example, when switching from phenytoin suspen­ sion to capsules, one must take into account that the capsules are formulated with phenytoin sodium, which contains only 92 percent phenytoin acid. Therefore a slightly larger dose will be required when using the capsule. The impor­ tance of applying pharmacokinetic principles as a means to help resolve the problem of suboptimal concentrations must be emphasized here. TOO MUCH OF THE CORRECT DRUG All of the situations described in the previous section may also result in the opposite effect-too much of the cor­ rect drug. Clearly finding the balance is the major enter­ prise. In situations where a patient’s dose is increased rapidly and the rate of increase itself may cause complica­ tions, we have another instance of this type of DRP. For example, rapid escalation of nicotinic acid doses are very often associated with severe cutaneous reactions. Drug-Related Problems It is also possible for drugs to accumulate over a long period of time and produce toxic complications. For exam­ ple, patients with compromised renal function will accum­ ulate N-acetylprocainamide (NAPA), the active metabolite of procainamide. Therefore, if a patient has the potential to, or actually experiences adverse effects, then the dose and dosing interval must be adjusted according to the level of accumulation. Preparations of the same drug (e.g., di­ goxin, levothyroxine) are not absorbed uniformly and the change from one brand to another can produce unpredicta­ ble differences in absorption rate, thereby causing a drug­ induced illness. This problem frequently occurs in the nurs­ ing home or psychiatric hospital where the excessive use of antipsychotics, sedatives, and hypnotics is prevalent. In sum, patients who experience or have the potential to experience toxicity brought about by too much drug are a common problem encountered in practice. The value of pharmacokinetic monitoring and dosage adjustment cannot be overemphasized in correcting or preventing this type of DRP. ADVERSE DRUG REACTIONS For reasons that are not inherently obvious, pharmacists have defined, described, and quantified adverse drug reac­ tions (ADRs) more extensively than all other categories. In fact, numerous papers and books have addressed this topic. Rawlins has categorized adverse events as type A or type B. 4 Type A reactions are consistent with the pharmaco­ logic actions of the drug, occur commonly, are usually dose-dependent, and are fairly predictable. Type B reac­ tions represent allergic and idiosyncratic reactions that are independent of drug pharmacology. These are rare, not dose-related, and cannot be predicted. Only those that are idiosyncratic should cause the patient and pharmacist sig­ nificant problems because one of the assumptions underly­ ing this discussion is that the pharmacist is playing a proactive role in the patient’s drug therapy. Through the in­ troduction of a unique knowledge base ab initio within the context of a rational treatment plan, the pharmacist can, at the very least, minimize the consequences of ADRs, and at best, eliminate them through effective therapeutic monitor­ ing. It should be emphasized that when a particular ADR is unavoidable, as in the case of many antihypertensive drugs where at least a minor adverse reaction or inconvenience is to be expected, or with oral contraceptives where fluid retention is frequently experienced, patient preferences and the burdens-to-benefits calculation should be considered an essential part of clinical decision making. This is particu­ larly important when there is some degree of “trade off’ in­ volved and a patient may have to select discomfort or in­ convenience from a range of possibilities. DRUG-DRUG, DRUG-FOOD, DRUG-LABORATORY INTERACTIONS There are many circumstances in which this type ofDRP is found. Indeed, the possibility of a patient experiencing an adverse event resulting from physical/chemical interac­ tion between a particular drug and food consumed is al­ ways present. For example, milk will inhibit the absorption of oral iron preparations. Laboratory tests administered for fur­ ther diagnosis and monitoring are also possible causes of in- DICP, The Annals of Pharmacotherapy • 1990 November, Volume 24 • 1095 teractions with drugs. Ascorbic acid, beta-lactam antibiotics, levodopa, and salicylates have all been well documented to interfere with urine glucose testing, thereby interfering with the collection of valid patient data. In addition, enzymatic in­ hibition or induction often changes the characteristics of a drug’s absorption, distribution, metabolism, and/or elimina­ tion. Enzyme inducers such as carbamazepine and rifampin potentiate the hepatic metabolism of warfarin. In most pa­ tients the drug interaction results in the inhibition of the hypo­ prothrombinemic response and a lowering of the prothrom­ bin time. Displacement of a drug from protein binding sites may result in an interactive problem requiring attention. For example, high doses of salicylates may displace first-genera­ tion oral hypoglycemic agents from protein binding sites and may potentiate hypoglycemia in a patient. PATIENT NOT RECEIVING THE PRESCRIBED DRUG Patients do not receive the intended drug for a number of reasons, those within the patient’s control and those outside of it. Noncompliance with a drug regimen occurs for rea­ sons that fall into both of these categories depending upon the nature of the cause. Poverty, beyond the individual’s control, often precludes compliance. Not taking the drug for reasons such as indolence or apathy are within the pa­ tient’s control. In all cases, the pharmacist must work to un­ derstand the cause so that behavior may be changed to achieve the desired pharmacotherapeutic outcome. A drug distribution or administration system that fails the patient will precipitate this category ofDRP. For exam­ ple, if the wrong drug is dispensed, if a health practitioner (or other caregiver) fails to administer the drug, or if a tech­ nical device such as an insulin pump is not functioning, then the patient will not receive the correct drug. In addition, there may be formulation problems with the drug product itself that do not allow the active ingredient to be absorbed or metabolized by the patient. For instance, chlorazepate must be hydrolyzed in an acidic media to yield the active diazepam derivative, N-desmethyldiazepam. Pa­ tients with conditions resulting in elevated gastric pH may experience therapeutic failure due to an inability to convert chlorazepate to its active form. NO VALID MEDICAL INDICATION This category tends to be far too frequently overlooked as a DRP. This is possibly because self-treatment, sub­ stance abuse, and the like are major factors in defining the situation. Tobacco, alcohol, and coffee consumption, for example, can and do lead to this type of problem. Narcotic abuse is, of course, the extreme form of drug misadventur­ ing with no legitimate medical indication, although the patient may very well insist that the drug abuse is a valid solution to a pain problem. A significant cause of this type of DRP is unnecessary drug therapy. One common example is the concurrent use of antiparkinson drugs with antipsychotics without docu­ mented extrapyramidal symptoms experienced by !he patient. In all these cases the pharmacist is capable of functioning as a problem solver. It is ironic that this category receives less attention than the others when in fact it represents the entire range of self-treatment possibilities and probabilities. Functions of Drug-Related Problems Categorizing DRPs into the eight categories of patient problems described above is useful in a number of ways. First, it illustrates how ADRs form but one category of ex­ tant DRPs. This point emphasizes the need to develop mechanisms by which pharmacists are able to prospec­ tively identify, solve, prevent, quantify, predict, and inter­ vene in DRPs of all types. Second, the categories make tangible the pharmacist’s role for the future. Few administrators need to be convinced that these problems are important, their prevention neces­ sary, and their resolution in need of an expert. If pharma­ cists and pharmacy managers are able to develop systems that put into operation this proactive role, then justification for pharmacy personnel should become a pleasure and not a distasteful, impossible task. Third, this list of DRPs can serve as the focus for devel­ oping a systematic process whereby the pharmacist con­ tributes significantly to the overall positive outcomes of patients. Two systematic processes that facilitate the phar­ macist’s efforts are Thomasma’s rational therapeutic plan 5 and the Pharmacist’s Workup of Drug Therapy developed by Strand et al, 3 A systematic process will not only aid the pharmacist in achieving successful outcomes on an individ­ ual patient basis, but will aid in the pharmacoepidemi­ ologist’s development of a national database concerning DRPs. The fourth function of this categorization is to bring to pharmacy practice a vocabulary consisten’t with that of other healthcare professions. By defining the pharmacist’s role in terms of DRPs, the function of the pharmacist is placed in a patient-care context consistent with the respon­ sibilities of other health care providers. The patient, and not the drug product, is the major focus of the pharmacist’s decisions and actions. It will be a reasonably straightforward task to create stan­ dards of practice for pharmacists that reflect the pharma­ cist’s ability to identify, solve, and preve hese eight categories of patient-specific DRPs. This focus for the pharmacist’s function will provide the essence (missing to date) around which to structure standards of practice. The patient and the patient’s desired pharmacotherapeutic out­ comes, and the pharmacist’s ability to achieve these out­ comes, will now serve as that focus. Finally, pharmacy educators should benefit from having a tangible, clearly defined purpose for students. Course content, curricular design, and faculty priorities should focus on general patient outcomes that are accomplished through specific pharmacotherapeutic outcomes resulting from appropriate drug therapy. This “model-of-reality” should begin to focus discussion and decisions about phar­ macy practice for future graduates. Summary Although many of the common circumstances under which DRPs develop have been delineated, the list is by no means exhaustive. The main purpose in producing eight conceptual categories is to provide order in a pharmaceuti­ cal universe considered by many to be chaotic. Heuristics do have limitations, but when prudently used they provide considerable clarity to areas seemingly replete with ambig­ uous, complex phenomena. Thus, if we accept the eight 1096 • D/CP, The Annals of Pharmacotherapy • 1990 November, Volume 24 categories as a model of reality (i.e., a representation of clinical reality), then perhaps the order provided will effec­ tively structure clinical perceptions in a manner consistent with a patient-specific pharmacy practice. The profession of pharmacy must continue its develop­ ment of practice, its collective identity as therapeutic prob­ lem solver, and its commitment to patient outcomes, and make a significant move from passive to proactive partici­ pation in clinical work.::: References 1. MORLEY PC, STRAND LM. Critical reflections on therapeutic drug monitoring. J PharmPract 1989;2:327-34. 2. HEPLER CD, STRAND LM. Opportunities and responsibilities in phar­ maceutical care. Am J H(Jsp Pharm 1990;47:533-43. 3. STRAND LM, CIPOLLE RJ, MORLEY PC. Documenting the clinical phar­ macist’s activities: back to basics. Drug Intel/ Clin Pharm 1988; 22:63-7. 4. RAWLINS MD. Clinical pharmacology: adverse reactions to drugs. Br MedJ 1981;282:974-6. 5. THOMASMA DC. Philosophical reflections on a rational treatment plan. J Med Philos 1986;1/:157-65. EXTRACfO Los autores categorizan los problemas relacionados a! uso de medicamentos que puedan ser experimentados por los pacientes. Existe un problema de medicamento cuando el paciente tiene o puede tener una enfermedad or sintomatologfa relacionada con Ia terapia de medicamentos. Se presentan ocho categorias de problemas relacionados al medicamento. Estas son: (1} el paciente tiene una condici6n medica que requiere terapia con medicamentos pero no esta recibiendo ningtln medicamento para esa indicaci6n; (2) se esta usando el medicamento err6neo; (3) se Ie esta dando muy poco del medicamento correcto; (4) se Je esta dando mucho del medicamento correcto; (5) el paciente tiene una condici6n medica que es el resultado de una reacci6n adversa; (6) el paciente tiene una condici6n medica que es el resultado de una interacci6n con otro medicamento, con comida, o con prueba de laboratorio; (7) Ia condici6n medica es el resultado de no recibir el medicamento que se Ie ha prescrito; y (8) el paciente tiene una condici6n medica que es el resultado de tomar un medicamento para el que no tiene ninguna indicaci6n medica valida. Estos problemas pueden ser actuales o potenciales y los autores esperan que esta categorizaci6n sirva para hacer mlis tangible el rol del farmaceutico, para servir como foco para desarrollar un proceso sistematico por el cual el farmaceutico contribuya significativamente a! estado positivo del paciente, asf como el ayudar a! desarrollo de gufas de prlictica para el farmaceutico. LUZLABRADA RESUME Les auteurs decrivent un moyen de classer par categories Ies problemes relies a un medicament (presents ou potentiels) chez un patient afin de faire une mise au point sur le role du pharmacien au niveau des besoins et du sort du patient. II existe un probleme relie a un medicament Jorsque Je patient presente (ouest susceptible de presenter) une maladie ou une symptomatologie reliee a Ia therapie medicamenteuse. On decrit huit categories de problemes relies a un medicament et un exemple est presente pour chacune des categories. La classification par categories des problemes relies au medicament peut servir a plusieurs fins: a illustrer que les reactions ad verses aux medicaments ne sont qu ‘une facette des problemes relies au medicament; a rendre plus tangible le role du pharmacien dans le futur; a servir de cheville ouvriere dans le developpement d’un processus systematique ou le pharmacien apporte une contribution significative et positive au sort du patient; a creer, en pharmacie, un vocabulaire qui soit compatible avec celui des autres professionnels de Ia sante; et a favoriser Je developpement de standards de pratique pour les pharmaciens. CLAUDE MAILHOT Drug-Related Problems Volume2 PHARMACOKINETICS AND PHARMACODYNAMICS Current Problems, Potential Solutions EDITORS Patricia D. Kroboth, Ph.D. Randall B. Smith, Ph.D. Randy P. Juhl, Ph.D. 272 pages I paperbound I $28.00 ISBN 0-9606488-7-9 (2-vol. set ISBN 0-9606488-8-7) Extends the application of some ofthe concepts presented in Volume 1 of the series to specific problems in research. The techniques and logic used in solv­ ing a number of important pharma­ codynamic problems are explained by 26 research scientists in 15 chapters. Send- copies of Volume 2 at $28 each. Send _ complete sets (Volumes 1 and 2) at $33 per set (a $3 savings) to: Nmne———————————————————– Address City ————- State/Country ———————– ZIP –­ OPayment enclosed. Please bill: OVISA OMC Exp. date ——-Signature——————– ~~~· Ll ..L-1 –l…..L-ll–l-1 ..~…1 ..~..I …J..I _JI_IL……L.I …1…1 ..LI-LI…..JIL..L…JI I Prepayment is required for all new accounts. OSend invoice ($3.00 will be added for this service). NOTE: Price includes handling and shipping when order is prepaid. Send check, purchase order, money order, or credit card number (MasterCard or VISA) to: Harvey Whitney Books Company P.O. Box 42696/ Cincinnati, OH 45242 USA Telephone 513n93·3555/ FAX 513-793·3600 DICP, The Annals of Pharmacotherapy • 1990 November, Volume 24 • 1097

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