Sperm DNA Fragmentation: Treatment Options and Evidence-Based Medicine

2020 ◽  
pp. 327-345
Author(s):  
Ahmad Majzoub ◽  
Mohamed Arafa ◽  
Haitham Elbardisi ◽  
Ashok Agarwal
2013 ◽  
Vol 29 (4) ◽  
pp. 236-246 ◽  
Author(s):  
M W Schul ◽  
T King ◽  
L S Kabnick

Objectives The emerging model of US healthcare delivery is aimed at reducing costs, standardizing care, and improving outcomes. Although it is necessary for healthcare providers and insurance carriers to work together to achieve those goals, insurers have the added duty of assuring physicians and patients that they comprehend the medical evidence and, based on that understanding, construct policies. Are US insurers meeting that responsibility or are they simply creating policies to serve their own needs? Methods The medical policies of several US health insurers were analysed. The goal was to see whether it could readily be determined if these carriers used evidence-based medicine consistently to create uniform policies for the treatment of patients with symptomatic varicose veins. The literature was also reviewed to determine whether increased insurance documentation requirements have affected cost reduction, standardization of care and/or improvement of outcomes related to chronic vein disease management. Results There is a dramatic lack of uniformity among the insurance policies reviewed. Insurers appear to not choose important papers to create policy but use carefully chosen articles to reinforce what they want their policies to say. In so doing, conflicting policy criteria are being created. Complicating this inconsistency, rules for medical necessity are modified frequently, raising frustration levels among vein providers and their patients. What is clear is that costs are not being lowered, care is not being standardized and little is being done to prevent potential complications resulting from chronic vein disease. Conclusions Patients and physicians are increasingly ill-served by, and frustrated with, the clear lack of consistency in the medical policy criteria being created by US insurance carriers in covering the treatment of patients with symptomatic varicose veins. The contradictory coverage requirements, seemingly based on no understanding of evidence-based medicine guidelines, and total variability in reimbursement for various types of treatment options is particularly worrisome. Collaboration between venous treatment providers and insurance carriers, to create evidence-based standards of care, would be timely and beneficial in creating guidelines for optimal patient care.


1998 ◽  
Vol 3 (1) ◽  
pp. 44-49 ◽  
Author(s):  
Jack Dowie

Within ‘evidence-based medicine and health care’ the ‘number needed to treat’ (NNT) has been promoted as the most clinically useful measure of the effectiveness of interventions as established by research. Is the NNT, in either its simple or adjusted form, ‘easily understood’, ‘intuitively meaningful’, ‘clinically useful’ and likely to bring about the substantial improvements in patient care and public health envisaged by those who recommend its use? The key evidence against the NNT is the consistent format effect revealed in studies that present respondents with mathematically-equivalent statements regarding trial results. Problems of understanding aside, trying to overcome the limitations of the simple (major adverse event) NNT by adding an equivalent measure for harm (‘number needed to harm’ NNH) means the NNT loses its key claim to be a single yardstick. Integration of the NNT and NNH, and attempts to take into account the wider consequences of treatment options, can be attempted by either a ‘clinical judgement’ or an analytical route. The former means abandoning the explicit and rigorous transparency urged in evidence-based medicine. The attempt to produce an ‘adjusted’ NNT by an analytical approach has succeeded, but the procedure involves carrying out a prior decision analysis. The calculation of an adjusted NNT from that analysis is a redundant extra step, the only action necessary being comparison of the results for each option and determination of the optimal one. The adjusted NNT has no role in clinical decision-making, defined as requiring patient utilities, because the latter are measurable only on an interval scale and cannot be transformed into a ratio measure (which the adjusted NNT is implied to be). In any case, the NNT always represents the intrusion of population-based reasoning into clinical decision-making.


2020 ◽  
Vol 5 (6) ◽  
pp. 347-353
Author(s):  
Hakan Ömeroğlu ◽  
Manuel Cassiano Neves

Results of numerous studies assessing the national or the local patient databases in several countries have indicated that the overall rate of operative treatment in fractures, as well as the rate in certain upper and lower limb fractures, has significantly increased in children. The most prominent increase in the rate of operative treatment was observed in forearm shaft fractures. Results of several survey studies have revealed that there was not a high level of agreement among paediatric orthopaedic surgeons concerning treatment preferences for several children’s fractures. The reasons for the increasing tendency towards operative treatment are multifactorial and patient-, parent- and surgeon-dependent factors as well as technological, economic, social, environmental and legal factors seem to have an impact on this trend. It is obvious that evidence-based medicine is not the only factor that leads to this tendency. A high level of scientific evidence is currently lacking to support the statement that operative treatment really leads to better long-term outcomes in children’s fractures. Properly designed multicentre clinical trials are needed to determine the best treatment options in many fractures in children. Cite this article: EFORT Open Rev 2020;5:347-353. DOI: 10.1302/2058-5241.5.200012


Author(s):  
Michael Brodrick

Abstract The claim that individuals legitimately differ with respect to their values seems to be uncontroversial among bioethicists, yet many bioethicists nevertheless oppose right-to-try laws. This seems to be due in part to a failure to recognize that such laws are intended primarily to be political, not legal, instruments. The right-to-try movement seeks to build political support for increasing access to newly developed drugs outside of clinical trials. Opponents of right-to-try laws claim that increasing access outside of clinical trials would undermine evidence-based medicine. They seek to maximize overall gains to patients by protecting them from adverse drug reactions and ensuring that drugs are more effective on average. In contrast, right-to-try activists have a point that regulatory judgments of drug safety and effectiveness impose one set of trade-offs on all individuals, regardless of their different values. That might be acceptable if determinations of safety and effectiveness were black and white, but that does not seem to be the case. This article argues that judgments of safety and effectiveness are in an important respect normative and reflect the perceived value of those ends relative to others. Such judgments, when universally imposed, harm patients who would readily make do with less knowledge of drug safety and effectiveness in exchange for more time and self-determination. The relevant moral principle is that of respect for individual autonomy. Just as that principle should lead one to substitute collective decisions for individual ones to regulate a natural monopoly, the same principle should lead one to substitute individual decisions for collective ones to avoid a government monopoly on access to newly developed drugs. It is argued that reforms should increase the number of treatment options available to patients outside of clinical trials. The final section of the article discusses ways in which current regulations might be reformed so as to provide more treatment options outside of clinical trials, without undermining evidence-based medicine.


Sign in / Sign up

Export Citation Format

Share Document