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Talan DA, Moran GJ, Krishnadasan A, Monsell SE, Faine BA, Uribe L, Kaji AH, DeUgarte DA, Self WH, Shapiro NI, Cuschieri J, Glaser J, Park PK, Price TP, Siparsky N, Sanchez SE, Machado-Aranda DA, Victory J, Ayoung-Chee P, Chiang W, Corsa J, Evans HL, Ferrigno L, Garcia L, Hatch Q, Horton MD, Johnson J, Jones A, Kao LS, Kelly A, Kim D, Kutcher ME, Liang MK, Maghami N, McGrane K, Minko E, Mohr C, Neufeld M, Patton JH, Rog C, Rushing A, Sabbatini AK, Salzberg M, Thompson CM, Tichter A, Wisler J, Bizzell B, Fannon E, Lawrence SO, Voldal EC, Lavallee DC, Comstock BA, Heagerty PJ, Davidson GH, Flum DR, Kessler LG. Analysis of Outcomes Associated With Outpatient Management of Nonoperatively Treated Patients With Appendicitis. JAMA Netw Open 2022; 5:e2220039. [PMID: 35796152 PMCID: PMC9250049 DOI: 10.1001/jamanetworkopen.2022.20039] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
IMPORTANCE In the Comparison of Outcomes of Antibiotic Drugs and Appendectomy (CODA) trial, which found antibiotics to be noninferior, approximately half of participants randomized to receive antibiotics had outpatient management with hospital discharge within 24 hours. If outpatient management is safe, it could increase convenience and decrease health care use and costs. OBJECTIVE To assess the use and safety of outpatient management of acute appendicitis. DESIGN, SETTING, AND PARTICIPANTS This cohort study, which is a secondary analysis of the CODA trial, included 776 adults with imaging-confirmed appendicitis who received antibiotics at 25 US hospitals from May 1, 2016, to February 28, 2020. EXPOSURES Participants randomized to antibiotics (intravenous then oral) could be discharged from the emergency department based on clinician judgment and prespecified criteria (hemodynamically stable, afebrile, oral intake tolerated, pain controlled, and follow-up confirmed). Outpatient management and hospitalization were defined as discharge within or after 24 hours, respectively. MAIN OUTCOMES AND MEASURES Outcomes compared among patients receiving outpatient vs inpatient care included serious adverse events (SAEs), appendectomies, health care encounters, satisfaction, missed workdays at 7 days, and EuroQol 5-dimension (EQ-5D) score at 30 days. In addition, appendectomy incidence among outpatients and inpatients, unadjusted and adjusted for illness severity, was compared. RESULTS Among 776 antibiotic-randomized participants, 42 (5.4%) underwent appendectomy within 24 hours and 8 (1.0%) did not receive their first antibiotic dose within 24 hours, leaving 726 (93.6%) comprising the study population (median age, 36 years; range, 18-86 years; 462 [63.6%] male; 437 [60.2%] White). Of these participants, 335 (46.1%; site range, 0-89.2%) were discharged within 24 hours, and 391 (53.9%) were discharged after 24 hours. Over 7 days, SAEs occurred in 0.9 (95% CI, 0.2-2.6) per 100 outpatients and 1.3 (95% CI, 0.4-2.9) per 100 inpatients; in the appendicolith subgroup, SAEs occurred in 2.3 (95% CI, 0.3-8.2) per 100 outpatients vs 2.8 (95% CI, 0.6-7.9) per 100 inpatients. During this period, appendectomy occurred in 9.9% (95% CI, 6.9%-13.7%) of outpatients and 14.1% (95% CI, 10.8%-18.0%) of inpatients; adjusted analysis demonstrated a similar difference in incidence (-4.0 percentage points; 95% CI, -8.7 to 0.6). At 30 days, appendectomies occurred in 12.6% (95% CI, 9.1%-16.7%) of outpatients and 19.0% (95% CI, 15.1%-23.4%) of inpatients. Outpatients missed fewer workdays (2.6 days; 95% CI, 2.3-2.9 days) than did inpatients (3.8 days; 95% CI, 3.4-4.3 days) and had similar frequency of return health care visits and high satisfaction and EQ-5D scores. CONCLUSIONS AND RELEVANCE These findings support that outpatient antibiotic management is safe for selected adults with acute appendicitis, with no greater risk of complications or appendectomy than hospital care, and should be included in shared decision-making discussions of patient preferences for outcomes associated with nonoperative and operative care. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT02800785.
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Affiliation(s)
| | - David A Talan
- Department of Emergency Medicine, Ronald Reagan UCLA Medical Center, Los Angeles, California
- Department of Emergency Medicine, Olive View-UCLA Medical Center, Los Angeles, California
| | - Gregory J Moran
- Department of Emergency Medicine, Olive View-UCLA Medical Center, Los Angeles, California
| | - Anusha Krishnadasan
- Department of Emergency Medicine, Olive View-UCLA Medical Center, Los Angeles, California
| | | | - Brett A Faine
- College of Pharmacy, University of Iowa Hospitals and Clinics, Iowa City
| | - Lisandra Uribe
- Department of Emergency Medicine, Olive View-UCLA Medical Center, Los Angeles, California
| | - Amy H Kaji
- Department of Emergency Medicine, Harbor-UCLA Medical Center, West Carson, California
| | - Daniel A DeUgarte
- Department of Pediatric General Surgery, Harbor-UCLA Medical Center, West Carson, California
| | - Wesley H Self
- Department of Emergency Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Nathan I Shapiro
- Department of Emergency Surgery, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Joseph Cuschieri
- Department of Surgery, Harborview Medical Center, UW Medicine, Seattle, Washington
- Department of Surgery, University of California, San Francisco
| | - Jacob Glaser
- Department of Surgery, Providence Regional Medical Center Everett, Everett, Washington
| | | | - Thea P Price
- Department of Surgery, Rush University Medical Center, Chicago, Illinois
| | - Nicole Siparsky
- Department of Surgery, Rush University Medical Center, Chicago, Illinois
| | - Sabrina E Sanchez
- Department of Surgery, Boston University Medical Center, Boston, Massachusetts
| | | | - Jesse Victory
- Department of Surgery, Bellevue Hospital Center, NYU School of Medicine, New York, New York
| | - Patricia Ayoung-Chee
- Department of Surgery, Tisch Hospital, NYU Langone Medical Center, New York, New York
- Department of Surgery Morehouse School of Medicine, Atlanta, Georgia
| | - William Chiang
- Department of Surgery, University of California, San Francisco
| | - Joshua Corsa
- Department of Surgery, Providence Regional Medical Center Everett, Everett, Washington
| | - Heather L Evans
- Department of Surgery, Harborview Medical Center, UW Medicine, Seattle, Washington
- Department of Surgery, The Medical University of South Carolina, Charleston
| | - Lisa Ferrigno
- Department of Surgery, UCHealth University of Colorado Hospital, Denver
| | - Luis Garcia
- Department of Surgery, University of Iowa Hospitals and Clinics, Iowa City
| | - Quinton Hatch
- Department of Surgery, Madigan Army Medical Center, Tacoma, Washington
| | - Marc D Horton
- Department of Surgery, The Swedish Medical Center, Seattle, Washington
| | - Jeffrey Johnson
- Department of Surgery, Henry Ford Health System, Detroit, Michigan
| | - Alan Jones
- Department of Emergency Medicine, The University of Mississippi Medical Center, Jackson
| | - Lillian S Kao
- Department of Surgery, McGovern Medical School, The University of Texas Health Science Center at Houston
| | - Anton Kelly
- Department of Surgery, Weill Cornell Medical Center, New York, New York
| | - Daniel Kim
- Department of Surgery, University of Washington, Seattle
| | - Matthew E Kutcher
- Department of Surgery, The University of Mississippi Medical Center, Jackson
| | - Mike K Liang
- Department of Surgery, Lyndon B. Johnson General Hospital, University of Texas, Houston
- Department of Surgery, University of Houston, HCA Healthcare, Kingwood, Kingwood, Texas
| | - Nima Maghami
- Department of Surgery, Weill Cornell Medical Center, New York, New York
| | - Karen McGrane
- Department of Surgery, Boston University Medical Center, Boston, Massachusetts
| | - Elizaveta Minko
- Department of Surgery, Columbia University Medical Center, New York, New York
| | - Cassandra Mohr
- Department of Surgery, McGovern Medical School, The University of Texas Health Science Center at Houston
| | - Miriam Neufeld
- Department of Surgery, Boston University Medical Center, Boston, Massachusetts
| | - Joe H Patton
- Department of Surgery, Henry Ford Health System, Detroit, Michigan
| | - Colin Rog
- Department of Surgery, UCHealth University of Colorado Hospital, Denver
- Department of Surgery, The Swedish Medical Center, Seattle, Washington
| | - Amy Rushing
- Department of Surgery, The Ohio State University Wexner Medical Center, Columbus
- Department of Surgery, UH Cleveland Medical Center, Cleveland, Ohio
| | | | - Matthew Salzberg
- Department of Emergency Medicine, UCHealth University of Colorado Hospital, Denver
| | - Callie M Thompson
- Department of Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
- Department of Surgery, University of Utah, Salt Lake City
| | - Aleksandr Tichter
- Department of Emergency Medicine, Columbia University Medical Center, New York, New York
- Department of Emergency Medicine, Baylor College of Medicine, Houston, Texas
| | - Jon Wisler
- Department of Surgery, The Ohio State University Wexner Medical Center, Columbus
| | - Bonnie Bizzell
- Department of Surgery, University of Washington, Seattle
| | - Erin Fannon
- Department of Surgery, University of Washington, Seattle
| | | | - Emily C Voldal
- Center for Biostatistics, University of Washington, Seattle
| | - Danielle C Lavallee
- Department of Surgery, University of Washington, Seattle
- BC Support Unit, BC Academic Health Science Network, Vancouver, British Columbia, Canada
| | | | | | | | - David R Flum
- Department of Surgery, University of Washington, Seattle
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