By D. Koraz. Claflin College. 2018.
Tools such as cost of quality mentax 15mg free shipping fungus gnats self watering pot, benchmarking buy mentax 15mg lowest price fungus on plants, auditing, and surveys enable the collec- tion and analysis of different types of data that can then be used to guide and evaluate the effectiveness of improvement efforts. Application of Quality Improvement Science in Healthcare While quality improvement theory and methodology have been available since the early 1900s, widespread acceptance and application by the health- care industry have not occurred. Reemerging concerns about double-digit healthcare cost inflation are placing the healthcare industry under increased scrutiny. Two landmark reports from the Institute of Medicine (IOM) doc- ument the alarming state of U. As it turns out, the same system accomplishing tech- nical miracles is responsible for an estimated 44,000 to 98,000 preventa- ble annual deaths caused by medical errors. A report from the Midwest Business Group on Health (2001) estimates that about one-third of the $390 billion spent on healthcare produces nothing (is waste) and that the annual cost of poor quality per covered employee is as high as $2,000 per year. Column 1 represents regulatory and punitive practices that can be traced to the Code of Hammurabi from approximately 2100 B. Column 1, regulation, has dominated the learning tradition from column 2, which dates to Hippocrates (third century B. In 1987, a few healthcare organizations worked with quality experts from manufacturing and service industries to launch the Quality Im provem ent System s, Theories, and Tools 81 FIGURE 4. Shewhart ¶ College of Joint Surgeons/Hospital Commission Standardization inspection Program W. Donabedian, structure, PRO/NCQA process, outcome Six Sigma, human factors Report cards, Outcomes, disease HEDIS, ORYX management ¶ introduction of column 3 management practices. The experiment proved to be successful, demonstrating that quality science techniques could achieve in healthcare what they had accomplished in all other industries (Berwick, Godfrey, and Roessner 1991; Merry and Crago 2001). Bolstered by the evidence that quality improvement can simultane- ously improve quality and lower cost, healthcare organizations spent mil- lions in the 1980s and 1990s on improving processes, realizing some impressive results and some failures. Eventually, the wave passed by and quality science methods failed to take hold in a critical mass of healthcare organizations. Most managers who experimented with column 3 reverted to columns 1 and 2, and the assumptions behind these columns are the implicit paradigms (the foundation of the iceberg) in most healthcare organ- izations today (Merry and Crago 2001). Only quality science knowledge can bridge the current quality chasm, and it is the only body of knowledge that leaders can use to address the economic and quality issues simultaneously. There is growing inter- est in the use of the Baldrige criteria, based in part on the recent accom- plishment of SSM Health Care in St. Louis as the first recipient of the Malcolm Baldrige National Quality Award for Healthcare. A number of healthcare professionals have successfully tapped into the management sci- ence field (column 3 in Figure 4. A brief explanation of the first and second curve model is provided below. Influenced by the work of Thomas Kuhn (1962) and Ian Morrison (1996), Dr. Martin Merry describes a model that synthesizes the influences of the three historical traditions from Figure 4. However, it has achieved the maximum capability of 4 sigma, which is as much as can be expected from a craft-age culture dependent on humans inspecting each other. It is becoming evident that modern healthcare has ignored the systems infrastructure. We are now paying a huge price for having isolated medical and nursing practice from the management of resources. New knowledge is needed to design the essential physical and information infrastructures. As with the paradigm shifts described by Kuhn (1962) and Morrison (1996), the shift from first to second curve will be discontinuous, derived from an entirely different set of assumptions and beliefs. Nothing less than the wholesale importation of management science knowledge will suffice to achieve the performance levels needed at a cost that our economy can bear (Merry 2003).
It is particularly pressing trials discount mentax 15mg overnight delivery fungi definition simple, and in the formulation of any subsequent clinical guidelines based upon the results of when different therapists carry out each of the 29 these trials order 15 mg mentax with visa antifungal drug list. That is, it implies that 306 TEXTBOOK OF CLINICAL TRIALS a given form of treatment has a greater effect on methodologically sound work in this area. Crits- Christoph and Gladis13 comment that two of the some patients than it does on others; that the receipt of psychotherapy A will be more beneﬁcial for largestrandomisedclinicaltrialseverundertakento Mr Smith than the receipt of psychotherapy B, evaluatepsychotherapies(althoughnotspeciﬁcally for example, but that B might be better than A for depression) failed to provide much support for speciﬁed patient – treatment interactions. Mr Smith has a particular attribute (presenting symptoms, clinical or family history, for example) that indicates therapy A. Mrs Jones, ESTIMATION OF CAUSAL EFFECTS on the other hand, has characteristics that indicate IN AN RCT WITH PATIENT CHOICE therapy B. In terms of statistical modelling simplicity, assume that all of the 100 patients (analysis of variance, or covariance, for example) allocated to routine care receive exactly that (they it will provide an example of a treatment group do not have access to counselling unless they by patient attribute interaction, where the attribute have been allocated to that treatment arm of the could be one of a potentially vast range of measures trial). Of the 100 patients offered counselling, made on the patients at or prior to randomisation. A ﬁxed time Supposed examples of such interactions are rarely interval after randomisation (six months, say) convincing. More frequently their are to be estimated from the differences between existence has been based on an invalid analysis. One should always remember that valid The estimate of the ITT effect is both simple inferences from an RCT involve comparison of and familiar. Results of a hypothetical trial of coun- of attribute C should be clearly speciﬁed in the trial selling protocol, together with a prior estimate of the size of the proposed interaction. The sample size for the T = t T = c trial should then be determined such that there is Improved Total Improved Total sufﬁcient power to detect this interaction through the use of an appropriate statistical signiﬁcance Comply 60 70 Do not comply 10 30 test. One good candidate for attribute C might Overall 70 100 50 100 be patient preference,31 but there is little, if any, DEPRESSION 307 group is 0. The difference (the refuse the offer of counselling whether or not they ACE for being offered counselling) is 0. The readers who prefer NTT (the reciprocal of the offer, in itself, is not beneﬁcial. But what about estimating the tion of potential compliers in the control group. The estimated num- two commonly used, but invalid, methods of ber of non-compliers in the control group is 30 analysis–analysis per protocol or analysis as and the number of compliers is 70. There is also the correct (correctness, of Assumption 2 allows us to estimate the propor- course, being vitally dependent on the validity tion (number) of patients who improve amongst of a few key assumptions) but much less famil- the non-compliers in the control group. In our iar estimator – the complier average causal effect example the number of patients who improve in (CACE). Now, there were a total of 50 selling group who actually receive counselling patients who were observed to improve in the with that in the control group (i. So, the proportion compares outcome in those patients who receive of patients improving in the counselling group counselling with that in those who do not receive amongst those who actually receive counselling is it (all patients are included in this analysis). The CACE to interpret them as a causal effect in the sense estimator is the difference between these two of comparing potential outcomes on the same proportions, 60/70 − 40/70(= 0. The estimated effects are merely associations, Note that in the above example the potential subject to confounding. And association, as you compliers did better than the non-compliers, all know, does not imply causality! This is not unexpected and not of the difference between the outcome in the too difﬁcult to rationalise. The results of a the offered counselling) with that which would second hypothetical trial are shown in Table 19. Results of a second hypothetical trial of Assumption 1: the proportion of patients who counselling are potential compliers is the same in the two randomly allocated groups. Improved Total Improved Total Assumption 2: the proportion of potential non- compliers who improve is independent of treat- Comply 35 70 Do not comply 15 30 ment allocation.
These drugs potentiate the CNS depression INDIVIDUAL ANESTHETIC AGENTS produced by other drugs order 15 mg mentax with visa antifungal nail treatment curall, and less anesthetic agent is required mentax 15mg fast delivery antifungal barrier cream. Morphine and fentanyl may be given in anesthetic doses in General anesthetics are listed in Table 14–1, neuromuscu- certain circumstances. Neuromuscular Blocking Agents PRINCIPLES OF THERAPY Neuromuscular blocking agents cause muscle relaxation, the third component of general anesthesia, and allow the use of Preanesthetic Medications smaller amounts of anesthetic agent. Artiﬁcial ventilation is necessary because these drugs paralyze muscles of respiration Principles for using preanesthetic drugs (antianxiety agents, as well as other skeletal muscles. The drugs do not cause se- anticholinergics, opioid analgesics) are the same when these dation; therefore, unless the recipients are unconscious, they drugs are given before surgery as at other times. They are or- can see and hear environmental activities and conversations. Succinylcholine is the include age; the specific procedure to be performed and its CHAPTER 14 ANESTHETICS 223 TABLE 14–1 General Anesthetics Generic/Trade Name Characteristics Remarks General Inhalation Anesthetics Desﬂurane (Suprane) Similar to isoﬂurane Used for induction and maintenance of general anesthesia Enﬂurane (Ethrane) Nonexplosive, nonflammable volatile liquid; similar A frequently used agent to halothane but may produce better analgesia and muscle relaxation; sensitizes heart to cate- cholamines—increases risk of cardiac dysrhyth- mias; renal or hepatic toxicity not reported Halothane (Fluothane) Nonexplosive, nonﬂammable volatile liquid Halothane has largely been replaced by newer Advantages: agents with increased efﬁcacy, decreased adverse 1. Does not irritate respiratory tract mucosa; adequate analgesia and muscle relaxation at a therefore does not increase saliva and tracheo- dosage that is not likely to produce signiﬁcant ad- bronchial secretions verse effects. Depresses pharyngeal and laryngeal reﬂexes, increase analgesic effects; a neuromuscular which decreases risk of laryngospasm and blocking agent is given to increase muscle relax- bronchospasm ation; and an IV barbiturate is used to produce Disadvantages: rapid, smooth induction, after which halothane is 1. Depresses contractility of the heart and vascu- given to maintain anesthesia. Bradycardia is common; ventricular dysrhythmias are uncom- mon unless ventilation is inadequate. Sensitizes heart to catecholamines; increases risk of cardiac dysrhythmias 5. Depresses respiration and may produce hypox- emia and respiratory acidosis (hypercarbia) 6. May cause malignant hyperthermia Isoﬂurane (Forane) Similar to halothane but less likely to cause cardio- Used for induction and maintenance of general vascular depression and ventricular dysrhythmias. Nitrous oxide Nonexplosive gas; good analgesic, weak anesthetic; Used in balanced anesthesia with IV barbiturates, one of oldest and safest anesthetics; causes no neuromuscular blocking agents, opioid anal- appreciable damage to vital organs unless hy- gesics, and more potent inhalation anesthetics. Note: Nitrous oxide is an gesia in dentistry, obstetrics, and brief surgical incomplete anesthetic; that is, by itself, it cannot procedures. Sevoﬂurane (Ultane) Similar to isoﬂurane Used for induction and maintenance of general anesthesia General Intravenous Anesthetics Alfentanil (Alfenta) Opioid analgesic–anesthetic related to fentanyl and May be used as a primary anesthetic or an analgesic sufentanil. It produces sedative and used together for neuroleptanalgesia and com- antiemetic effects. Fentanyl citrate (Sublimaze) is bined with nitrous oxide for neuroleptanesthesia. Innovar is a ﬁxed-dose combination of the riety of diagnostic tests or minor surgical proce- two drugs. Additional doses of fentanyl are often dures can be done, such as bronchoscopy and needed because its analgesic effect lasts approxi- burn dressings. Consciousness returns rapidly, but recently issued a warning about serious cardiac respiratory depression may last 3–4 hours into dysrhythmias, including torsades de pointes, as- the postoperative recovery period. Ketamine (Ketalar) Rapid-acting nonbarbiturate anesthetic; produces Used most often for brief surgical, diagnostic, or marked analgesia, sedation, immobility, amnesia, therapeutic procedures. It also may be used to in- and a lack of awareness of surroundings (called duce anesthesia. If used for major surgery, it dissociative anesthesia); may be given IV or IM; must be supplemented by other general anesthet- awakening may require several hours; during re- ics. It is generally contraindicated in clients with covery, unpleasant psychic symptoms may occur, increased intracranial pressure, severe coronary including dreams and hallucinations; vomiting, artery disease, hypertension, or psychiatric dis- hypersalivation, and transient skin rashes also orders. Methohexital sodium (Brevital) An ultrashort-acting barbiturate similar to thiopental See thiopental, below. May cause hypotension, nance of general anesthesia or sedation in inten- apnea, and other signs of CNS depression. Remifentanil (Ultiva) An opioid analgesic–anesthetic with a rapid onset Used for induction and maintenance of general and short duration of action anesthesia Sufentanil (Sufenta) A synthetic opioid analgesic-anesthetic related to May be used as a primary anesthetic or an anal- fentanyl. Compared with fentanyl, it is more po- gesic adjunct in balanced anesthesia tent and faster acting and may allow a more rapid recovery. Thiopental sodium Ultrashort-acting barbiturate, used almost exclu- Thiopental is commonly used.
Use in Children Evaluation For most of the drugs cheap 15mg mentax with visa antifungal examples, safety and effectiveness for use in chil- • Interview and observe for relief of symptoms buy discount mentax 15 mg on-line fungus causes. PRINCIPLES OF THERAPY Use in Older Adults Goal of Treatment Any CNS depressant or sedating drugs should be used cau- The goal of treatment is to relieve pain, muscle spasm, and tiously in older adults. Risks of falls, mental confusion, and muscle spasticity without impairing the ability to perform other adverse effects are higher because of impaired drug self-care activities of daily living. CLIENT TEACHING GUIDELINES Skeletal Muscle Relaxants General Considerations ✔ Avoid herbal preparations that cause drowsiness or ✔ Use nondrug measures, such as exercises and applica- sleep, including kava and valerian. Self-Administration ✔ Avoid activities that require mental alertness or physical ✔ Take the drugs with milk or food, to avoid nausea and coordination (eg, driving an automobile, operating poten- stomach irritation. Suddenly stopping concurrent use of alcohol, antihistamines, sleeping aids, baclofen may cause hallucinations; stopping the other or other drugs that cause drowsiness. The drugs should not be given to The drugs should be used cautiously in clients with renal clients with preexisting liver disease. Home Care Use in Hepatic Impairment The home care nurse is likely to be involved with the use of Dantrolene may cause potentially fatal hepatitis, with jaun- baclofen, dantrolene, or tizanidine in chronic spastic disorders. Liver function tests should be mon- toring of functional abilities, assistance in arranging blood tests itored periodically in all clients receiving dantrolene. Caregivers may need instruc- Metaxalone and tizanidine can cause liver damage. Thus, tion about nonpharmacologic interventions to help prevent or liver function should be assessed before starting either drug relieve spasticity. NURSING Skeletal Muscle Relaxants ACTIONS NURSING ACTIONS RATIONALE/EXPLANATION 1. Give baclofen, chlorphenesin, metaxalone with milk or To decrease gastrointestinal distress food. Do not mix parenteral diazepam in a syringe with any other Diazepam is physically incompatible with other drugs. Inject intravenous (IV) diazepam directly into a vein or the Diazepam may cause a precipitate if diluted. Avoid contact with injection site nearest the vein (during continuous IV infusions) IV solutions as much as possible. Avoid extravasation with IV diazepam, and inject intra- To prevent or reduce tissue irritation muscular (IM) diazepam deeply into a gluteal muscle. With IV methocarbamol, have the client lie down during To minimize orthostatic hypotension and other adverse drug effects and at least 15 minutes after administration. Avoid extravasation with IV methocarbamol, and give IM Parenteral methocarbamol is a hypertonic solution that is very ir- methocarbamol deeply into a gluteal muscle. Thrombophlebitis may occur at IV injection dose and giving two injections is preferred. When the drug is given for acute muscle spasm, observe for: Therapeutic effects usually occur within 30 minutes after IV injec- (1) Decreased pain and tenderness tion of diazepam or methocarbamol. When the drug is given for spasticity in chronic neurologic disorders, observe for: (1) Increased ability to maintain posture and balance (2) Increased ability for self-care (eg, eating and dressing) (3) Increased tolerance for physical therapy and exercises (continued) CHAPTER 13 SKELETAL MUSCLE RELAXANTS 219 NURSING ACTIONS RATIONALE/EXPLANATION 3. With centrally active agents, observe for: (1) Drowsiness and dizziness These are the most common adverse effects. With a peripherally active agent (dantrolene), observe for: Adverse effects are usually transient. Hepatotoxicity can be prevented or minimized by ad- ministering the lowest effective dose, monitoring liver enzymes (aspartate aminotransferase and alanine aminotransferase) during therapy, and discontinuing the drug if no beneﬁcial effects occur within 45 days. Drugs that increase effects of skeletal muscle relaxants: (1) Central nervous system (CNS) depressants (alcohol, Additive CNS depression with increased risks of excessive seda- antianxiety agents, antidepressants, antihistamines, anti- tion and respiratory depression or apnea psychotic drugs, sedative-hypnotics) (2) Monoamine oxidase inhibitors May potentiate effects by inhibiting metabolism of muscle relaxants (3) Antihypertensive agents Increased hypotension, especially with tizanidine 3. What are the contraindications to the use of these Nursing Notes: Apply Your Knowledge drugs? What are the major adverse effects of these drugs, and Answer: Check this order with the physician. What are some nonpharmacologic interventions to use should not be given.
8 of 10 - Review by D. Koraz
Votes: 183 votes
Total customer reviews: 183