Charles E. Gaber, MPH, Alan C. Kinlaw, PhD, MSPH, Jessie K. Edwards, PhD, MSPH, Jennifer L. Lund, PhD, MSPH, Til Stürmer, MD, PhD, Sharon Peacock Hinton, MPA, Virginia Pate, MS, Luther A. Bartelt, MD, Robert S. Sandler, MD, MPH, Anne F. Peery, MD, MSCR
doi : 10.7326/M20-6315
Pages:737–746
Outpatient diverticulitis is commonly treated with either a combination of metronidazole and a fluoroquinolone (metronidazole-with-fluoroquinolone) or amoxicillin–clavulanate alone. The U.S. Food and Drug Administration advised that fluoroquinolones be reserved for conditions with no alternative treatment options. The comparative effectiveness of metronidazole-with-fluoroquinolone versus amoxicillin–clavulanate for diverticulitis is uncertain.
Angela T. Chen, MA, Corin I. Bronsther, BA, Elizabeth E. Stanley, BSE, A. David Paltiel, MBA, PhD, James K. Sullivan, BA, Jamie E. Collins, PhD, Tuhina Neogi, MD, PhD, Jeffrey N. Katz, MD, MSc, Elena Losina, PhD
doi : 10.7326/M20-4722
Pages:747–757
Total knee replacement (TKR) is an effective and cost-effective strategy for treating end-stage knee osteoarthritis. Greater risk for complications among TKR recipients with a body mass index (BMI) of 40 kg/m2 or greater has raised concerns about the value of TKR in this population.
Bernard Surial, MD, Catrina Mugglin, MD, MSc, Alexandra Calmy, MD, PhD, Matthias Cavassini, MD, Huldrych F. Günthard, MD, Marcel St?ckle, MD, Enos Bernasconi, MD, Patrick Schmid, MD, Philip E. Tarr, MD, Hansjakob Furrer, MD, Bruno Ledergerber, PhD, Gilles Wandeler, MD, MSc, Andri Rauch, MD
doi : 10.7326/M20-4853
Pages:758–767
Tenofovir-based antiretroviral therapy (ART) has become first-line in all major HIV treatment guidelines. Compared with tenofovir disoproxil fumarate (TDF), tenofovir alafenamide (TAF) has a favorable renal and bone safety profile, but concerns about metabolic complications remain.
Frédérique Chammartin, PhD, Sara Lodi, PhD, Roger Logan, PhD, Lene Ryom, MD, PhD, Amanda Mocroft, PhD, Ole Kirk, DMSc, Antonella d’Arminio Monforte, PhD, Peter Reiss, PhD, Andrew Phillips, PhD, Wafaa El-Sadr, MD, MPH, Camilla I. Hatleberg, MD, PhD, Christian Pradier, PhD, Fabrice Bonnet, PhD, Matthew Law, PhD, Stéphane De Wit, PhD, Caroline Sabin, PhD, Jens D. Lundgren, MD, DMSc, Heiner C. Bucher, MD, MPH, for the D:A:D Study Group
doi : 10.7326/M20-5226
Pages:768–776
Immediate initiation of antiretroviral therapy (ART) regardless of CD4 cell count reduces risk for AIDS and non–AIDS-related events in asymptomatic, HIV-positive persons and is the standard of care. However, most HIV-positive persons initiate ART when their CD4 count decreases below 500 × 109 cells/L. Consequences of delayed ART on risk for non–AIDS-defining and AIDS-defining cancer, one of the most common reasons for death in HIV, are unclear.
Shannon Wongvibulsin, PhD, Brian T. Garibaldi, MD, MEHP, Annukka A.R. Antar, MD, PhD, Jiyang Wen, BS, Mei-Cheng Wang, PhD, Amita Gupta, MD, MHS, Robert Bollinger, MD, MPH, Yanxun Xu, PhD, Kunbo Wang, MS, Joshua F. Betz, MS, John Muschelli, PhD, Karen Bandeen-Roche, PhD, Scott L. Zeger, PhD, Matthew L. Robinson, MD See less
doi : 10.7326/M20-6754
Pages:777–785
Predicting the clinical trajectory of individual patients hospitalized with coronavirus disease 2019 (COVID-19) is challenging but necessary to inform clinical care. The majority of COVID-19 prognostic tools use only data present upon admission and do not incorporate changes occurring after admission.
Gabriel J. Escobar, MD, Alyce S. Adams, PhD, Vincent X. Liu, MD, MS, Lauren Soltesz, MS, Yi-Fen Irene Chen, MD, Stephen M. Parodi, MD, G. Thomas Ray, MBA, Laura C. Myers, MD, MPH, Charulata M. Ramaprasad, MD, MPH, Richard Dlott, MD, Catherine Lee, PhD See less
doi : 10.7326/M20-6979
Pages:786–793
Racial disparities exist in outcomes after severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection.
Michael Klompas, MD, MPH, Meghan A. Baker, MD, ScD, Chanu Rhee, MD, MPH, Robert Tucker, MPH, CIC, Karen Fiumara, PharmD, Diane Griesbach, NP, Carin Bennett-Rizzo, RN, Hojjat Salmasian, MD, PhD, Rui Wang, PhD, Noah Wheeler, MPH, Glen R. Gallagher, PhD, Andrew S. Lang, PhD, Timelia Fink, MPH, Stephanie Baez, Sandra Smole, PhD, Larry Madoff, MD, Eric Goralnick, MD, MS, Andrew Resnick, MD, Madelyn Pearson, DNP, Kathryn Britton, MD, Julia Sinclair, MBA, Charles A. Morris, MD, MPH
doi : 10.7326/M20-7567
Pages:794–802
Little is known about clusters of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in acute care hospitals.
A. David Paltiel, PhD, Amy Zheng, BA, Paul E. Sax, MD
doi : 10.7326/M21-0510
Pages:803–810
The value of frequent, rapid testing to reduce community transmission of SARS-CoV-2 is poorly understood.
Irina Arkhipova-Jenkins, MD, MBA, Mark Helfand, MD, MPH, Charlotte Armstrong, BA, Emily Gean, PhD, Joanna Anderson, MPH, Robin A. Paynter, MLIS, Katherine Mackey, MD, MPP See less
doi : 10.7326/M20-7547
Pages:811–821
The clinical significance of the antibody response after SARS-CoV-2 infection remains unclear.
Rachael A. Lee, MD, MSPH, Robert M. Centor, MD, Linda L. Humphrey, MD, MPH, Janet A. Jokela, MD, MPH, Rebecca Andrews, MS, MD, Amir Qaseem, MD, PhD, MHA, for the Scientific Medical Policy Committee of the American College of Physicians
doi : 10.7326/M20-7355
Pages:822–827
Antimicrobial overuse is a major health care issue that contributes to antibiotic resistance. Such overuse includes unnecessarily long durations of antibiotic therapy in patients with common bacterial infections, such as acute bronchitis with chronic obstructive pulmonary disease (COPD) exacerbation, community-acquired pneumonia (CAP), urinary tract infections (UTIs), and cellulitis. This article describes best practices for prescribing appropriate and short-duration antibiotic therapy for patients presenting with these infections.
Amir Qaseem, MD, PhD, MHA, Jennifer Yost, RN, PhD, Itziar Etxeandia-Ikobaltzeta, PharmD, PhD, Mary Ann Forciea, MD, George M. Abraham, MD, MPH, Matthew C. Miller, MD, Adam J. Obley, MD, Linda L. Humphrey, MD, MPH, for the Scientific Medical Policy Committee of the American College of Physicians
doi : 10.7326/M20-7569
Pages:828–835
The widespread availability of SARS-CoV-2 antibody tests raises important questions for clinicians, patients, and public health professionals related to the appropriate use and interpretation of these tests. The Scientific Medical Policy Committee (SMPC) of the American College of Physicians developed these rapid, living practice points to summarize the current and best available evidence on the antibody response to SARS-CoV-2 infection, antibody durability after initial infection with SARS-CoV-2, and antibody protection against reinfection with SARS-CoV-2.
Zahir Kanjee, MD, MPH, Akwi W. Asombang, MD, MPH, Tyler M. Berzin, MD, MS, Risa B. Burns, MD, MPH
doi : 10.7326/M21-1206
Pages:836–843
no abstract
Matthew DeCamp, MD, PhD, Lois Snyder Sulmasy, JD, for the American College of Physicians Ethics, Professionalism and Human Rights Committee
doi : 10.7326/M20-7093
Pages:844–851
The environment in which physicians practice and patients receive care continues to change. Increasing employment of physicians, changing practice models, new regulatory requirements, and market dynamics all affect medical practice; some changes may also place greater emphasis on the business of medicine. Fundamental ethical principles and professional values about the patient–physician relationship, the primacy of patient welfare over self-interest, and the role of medicine as a moral community and learned profession need to be applied to the changing environment, and physicians must consider the effect the practice environment has on their ethical and professional responsibilities. Recognizing that all health care delivery arrangements come with advantages, disadvantages, and salient questions for ethics and professionalism, this American College of Physicians policy paper examines the ethical implications of issues that are particularly relevant today, including incentives in the shift to value-based care, physician contract clauses that affect care, private equity ownership, clinical priority setting, and physician leadership. Physicians should take the lead in helping to ensure that relationships and practices are structured to explicitly recognize and support the commitments of the physician and the profession of medicine to patients and patient care.
Edward C. Halperin, MD, MA
doi : 10.7326/M20-7121
Pages:852–857
Brit Trogen, MD, MS, Arthur Caplan, PhD
doi : 10.7326/M20-8251
Pages:858–859
Harry Peled, MD, Nhu Quyen Dau, PharmD, BCCP, Shelley Schoepflin Sanders, MD
doi : 10.7326/M20-8266
Pages:860–861
Douglas M. DeLong, MD
doi : 10.7326/M21-1505
Pages:862–863
Minji Kang, MD, Trish M. Perl, MD, MSc
doi : 10.7326/M21-0526
Pages:864–865
Barron H. Lerner, MD, PhD
doi : 10.7326/M21-0648
Pages:866–867
Louwai Muhammed, BMBCh, MA, EdM, Aravindhan Baheerathan, MBChB, Michelangelo Cao, MD, Maria Isabel Leite, MD, DPhil, Stuart Viegas, MBBS, DPhil, FRCp
doi : 10.7326/L20-1298
Pages:872–873
Background: Reports about the neurologic consequences of coronavirus disease 2019 (COVID-19) describe more cases of central than peripheral nervous system involvement. Myasthenia gravis is an autoimmune neuromuscular disorder that affects the peripheral nervous system. Other observers recently described 3 patients who developed myasthenia gravis with antibodies against the acetylcholine receptor (AChR) after infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (1). Acetylcholine receptor antibodies are found in more than 80% of patients with generalized myasthenia gravis, whereas muscle-specific kinase (MuSK) antibodies are found in approximately 8% of cases. The pathogenic mechanisms of AChR antibody myastheniagravis (AChR-MG) are different from those of MuSK antibody myasthenia gravis (MuSK-MG). In addition, the 2 types of myasthenia gravis have important epidemiologic, clinical, therapeutic, immunologic, and pathologic features (2–4), and they should be considered distinct entities (Table).
Bj?rn Pasternak, MD, PhD, Martin Neovius, PhD, Jonas S?derling, PhD, Mia Ahlberg, RNM, PhD, Mikael Norman, MD, PhD, Jonas F. Ludvigsson, MD, PhD, Olof Stephansson, MD, PhD
doi : 10.7326/M20-6367
Pages:873–875
Background: A recent Danish study reported that the rate of extremely preterm birth was reduced during the lockdown period of the coronavirus disease 2019 (COVID-19) pandemic; the odds ratio (OR) was 0.09 (95% CI, 0.01 to 0.40) compared with previous years (1). Given the lockdown measures, potential mechanisms might include reduced exposure to various infectious agents, physical work strain, or stress; another explanation might be an increase in stillbirth, as the Danish study was based on live births. A study from the United Kingdom reported that stillbirth was more common during the pandemic; the difference was 6.93 (CI, 1.83 to 12.0) cases per 1000 births, corresponding to a 4-fold risk increase (2).
Aaron Baum, PhD, Andrew Bazemore, MD, MPH, Lars Peterson, MD, PhD, Sanjay Basu, MD, PhD, Keith Humphreys, PhD, Robert L. Phillips, MD, MPH
doi : 10.7326/M20-6257
Pages:875–878
Background: Low-value services account for $75 billion to $100 billion of U.S. health care spending (1). Primary care physicians (PCPs) have been conceptualized as potential gatekeepers for efforts to reduce low-value spending, but the share of low-value spending directly related to their services and referral decisions remains unclear (2, 3).
Justine Perez, PharmD, Matthieu Roustit, PharmD, PhD, Marion Lepelley, PharmD, Bruno Revol, PharmD, PhD, Jean-Luc Cracowski, MD, PhD, Charles Khouri, PharmD, PhD
doi : 10.7326/M20-7918
Pages:878–880
Background: A few weeks after the beginning of the outbreak of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), uncontrolled trials and in vitro studies suggested that chloroquine and hydroxychloroquine may have efficacy in treating coronavirus disease 2019 (COVID-19) (1). Although very preliminary, the results of these studies received extraordinary media coverage, and several high-profile figures, including some health regulatory authorities, endorsed the use of chloroquine and hydroxychloroquine to treat COVID-19. This led to a huge demand for and substantial use of these drugs; the Centers for Disease Control and Prevention identified an 80-fold increase in new prescriptions for hydroxychloroquine, particularly by nondermatologists and nonrheumatologists, between March 2019 and March 2020 (2). However, major clinical trials have concluded that hydroxychloroquine and chloroquine are unlikely to be effective in treating or preventing COVID-19, leading the U.S. Food and Drug Administration (FDA) to suspend its emergency use authorization for these drugs on 15 June 2020 (3). Nevertheless, little is known about the impact of this massive use of chloroquine and hydroxychloroquine on the number and nature of induced adverse drug reactions (ADRs).
Wayne Gao, PhD, Mattia Sanna, PhD, Garry Huang, PhD, Marita Hefler, PhD, Min-Kuang Tsai, MS, Chi-Pang Wen, PhD
doi : 10.7326/M20-7788
Pages:880–882
Background: Initially projected to be the fourth most at-risk country for coronavirus disease 2019 (COVID-19) because of its close ties with China (1), Taiwan, on 21 December 2020, marked 253 consecutive days without a locally transmitted case, and a cumulative total of 770 cases (675 imported) and 7 deaths (2). Despite imported cases, Taiwan has successfully contained COVID-19 without a national lockdown (Figure 1).
Adva Gadoth, MPH, PhD, Megan Halbrook, MPH, Rachel Martin-Blais, MD, Ashley Gray, MD, Nicole H. Tobin, MD, Kathie G. Ferbas, PhD, Grace M. Aldrovandi, MD, Anne W. Rimoin, MPH, PhD
doi : 10.7326/M20-7580
Pages:882–885
Background: The rise of vaccine hesitancy poses real and existential threats to the prevention and control of vaccine-preventable diseases and will hinder efforts to mitigate the coronavirus disease 2019 (COVID-19) pandemic (1, 2). In the context of a highly publicized coronavirus vaccine rollout, initial uptake by health care workers (HCWs) is critical for safety, health system functioning, and public opinion.
Fabian Sanchis-Gomar, MD, PhD, Carl J. Lavie, MD, Abhishek Sharma, MD, Brandon M. Henry, MD, Giuseppe Lippi, MD
doi : 10.7326/L21-0014
Pages:885–886
Michaela R. Anderson, MD, MS, Anthony W. Ferrante, MD, PhD, Matthew R. Baldwin, MD, MS
doi : 10.7326/L21-0015
Page:886
Anastasios Kollias, MD, PhD, Konstantinos G. Kyriakoulis, MD, Konstantinos Syrigos, MD, PhD
doi : 10.7326/L21-0063
Pages:886–887
Andrew N. Bamji, MB
doi : 10.7326/L21-0062
Page:887
Johannes Burtscher, PhD, Grégoire P. Millet, PhD, Martin Burtscher, PhD, MD
doi : 10.7326/L21-0065
Page:887
Sara Y. Tartof, PhD, MPH, Sameer B. Murali, MD, Debbie E. Malden, DPhil, MSc
doi : 10.7326/L21-0064
Pages:887–888
Katherine Mackey, MD, MPP, Devan Kansagara, MD, MCR, Kathryn Vela, MLIS, AHIP
doi : 10.7326/L21-0223
Pages:W54–W55
doi : 10.7326/L21-0146
Page:888
doi : 10.7326/L21-0148
Page:888
doi : 10.7326/L21-0149
Page:888
Michael Tanner, MD
doi : 10.7326/ACPJ202106150-062
Page:JC62
Shannon M. Fernando, MD, MSc, Bram Rochwerg, MD, MSc
doi : 10.7326/ACPJ202106150-063
Page:JC63
Simon O’Connor, MBBS
doi : 10.7326/ACPJ202106150-064
Page:JC64
Laura C. Horton, MD, Joseph D. Feuerstein, MD
doi : 10.7326/ACPJ202106150-065
Page:JC65
Sandra G. Adams, MD, MS, Jay I. Peters, MD
doi : 10.7326/ACPJ202106150-066
Page:JC66
Michael Tanner, MD
doi : 10.7326/ACPJ202106150-067
Page:JC67
Carlos G. Santos-Gallego, MD, Harriette G.C. Van Spall, MD, MPH
doi : 10.7326/ACPJ202106150-068
Page:JC68
Kaveh Karimzad, MD, Anita Deswal, MD, MPH
doi : 10.7326/ACPJ202106150-069
Page:JC69
Shohinee Sarma, MD, MPH, Lorraine L. Lipscombe, MD, MSc
doi : 10.7326/ACPJ202106150-070
Page:JC70
Christopher Sampson, MD
doi : 10.7326/ACPJ202106150-071
Page:JC71
Grace E. Farris, MD
doi : 10.7326/G21-0026
Pages:W56–W57
Pooja Gandhi, MSpPathSt, Arnav Agarwal, MD
doi : 10.7326/G20-0090
Pages:W58–W59
Sujal Manohar, BS, BA
doi : 10.7326/G21-0022
Pages:W60–W62
Michael S. Pulia, MD, MS, Peter K. Lindenauer, MD, MSc
doi : 10.7326/M21-1913
Pages:HO2–HO3
doi : 10.7326/P21-0002
Page:I21
doi : 10.7326/P21-0003
Page:I22
doi : 10.7326/P21-0004
Page:I26
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