Iakovos N. Nomikos , Christos Kosmas , Vasiliki Gkretsi
{"title":"Tumor molecular signatures: bridging the bench and the operating room","authors":"Iakovos N. Nomikos , Christos Kosmas , Vasiliki Gkretsi","doi":"10.1016/j.amjsurg.2025.116393","DOIUrl":"10.1016/j.amjsurg.2025.116393","url":null,"abstract":"<div><div>Contemporary diagnostic and therapeutic strategies for many solid tumors rely on understanding the Mismatch Repair (MMR) system, a fundamental DNA repair mechanism responsible for correcting errors introduced during DNA replication. Pathology reports written for tumors excised in surgery, often indicate the expression status of MMR proteins. This is of significant clinical value, as loss of MMR protein expression is associated with the accumulation of DNA replication errors.</div><div>The MMR system recognizes and replaces mismatched nucleotides, particularly in microsatellite regions. These are short, repetitive non-coding DNA sequences prone to replication errors. When MMR proteins are inactivated by genetic or epigenetic alterations, MMR deficiency (dMMR) occurs, preventing repair and leading to microsatellite instability (MSI). MSI is a hallmark of Lynch syndrome, which is commonly associated with colorectal cancer (CRC) and endometrial cancer.</div><div>This work highlights the clinical utility of MMR protein and MSI status as molecular signatures and discusses diagnostic, prognostic, and therapeutic implications. Understanding these molecular changes supports clinicians in making informed therapeutic decisions and may improve patient outcomes by providing personalized treatments to fit individual tumor profiles.</div></div>","PeriodicalId":7771,"journal":{"name":"American journal of surgery","volume":"246 ","pages":"Article 116393"},"PeriodicalIF":2.7,"publicationDate":"2025-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144068059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Franklin L. Wright , Thomas J. Schroeppel , Michael R. Bronsert , Shane Urban , Stephanie A. Vega , Michael W. Cripps , Warren C. Dorlac , Whitney R. Jenson , Jennifer E. Baker , Robert C. McIntyre Jr.
{"title":"Thin air, thick blood: High altitude trauma centers have increased deep venous thrombosis rates","authors":"Franklin L. Wright , Thomas J. Schroeppel , Michael R. Bronsert , Shane Urban , Stephanie A. Vega , Michael W. Cripps , Warren C. Dorlac , Whitney R. Jenson , Jennifer E. Baker , Robert C. McIntyre Jr.","doi":"10.1016/j.amjsurg.2025.116365","DOIUrl":"10.1016/j.amjsurg.2025.116365","url":null,"abstract":"<div><h3>Background</h3><div>Patients undergoing elective procedures at altitudes >4000 ft have higher deep venous thrombosis (DVT) rates compared to those performed at ≤ 1000 ft.</div></div><div><h3>Design</h3><div>We reviewed the American College of Surgeons Trauma Quality Improvement Program (TQIP) database from 2014 to 2019. Adults are divided into LOW (<1001 ft) or HIGH (>4000 ft) altitude treatment with DVT rates compared by multivariable regression analysis as well as using a 2:1 propensity matched model.</div></div><div><h3>Results</h3><div>Risk-adjusted odds ratio (OR) for DVT at high altitude was 1.53 [95 % CI 1.42–1.64]. In patients with an Injury Severity Score (ISS) ≥ 16, the DVT rate was 1.10 % (LOW) vs 1.59 % (HIGH); risk-adjusted OR for DVT at high altitude with ISS ≥ 16 was 1.67 [1.53–1.83]. Under the propensity matched model, DVT rates at higher altitude had an OR of 1.59 [1.46–1.74].</div></div><div><h3>Conclusion</h3><div>Following traumatic injury, DVT rates are increased in higher altitude treatment facilities compared to their low elevation peers.</div></div>","PeriodicalId":7771,"journal":{"name":"American journal of surgery","volume":"246 ","pages":"Article 116365"},"PeriodicalIF":2.7,"publicationDate":"2025-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143936937","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Total thyroidectomy does not improve survival for all patients with unilateral papillary thyroid cancer exceeding 4 cm","authors":"Ying Ding , Ziyang Feng , Ke Cao","doi":"10.1016/j.amjsurg.2025.116395","DOIUrl":"10.1016/j.amjsurg.2025.116395","url":null,"abstract":"<div><h3>Background</h3><div>Total thyroidectomy (TT) is recommended for papillary thyroid cancer (PTC) over 4 cm, but its universal benefit is uncertain. This study evaluates whether TT offers a significant advantage over lobectomy (LT) in improving overall survival (OS) and cancer-specific survival (CSS) for patients with unilateral PTC exceeding 4 cm.</div></div><div><h3>Methods</h3><div>The study included 8862 patients from the Surveillance, Epidemiology, and End Results (SEER) database (2004–2021) with unilateral PTC larger than 4 cm. The relationship between age and survival was assessed using the restricted cubic splines (RCS) model. The effects of LT and TT on OS and CSS across age groups were analyzed using Cox regression and Kaplan-Meier (KM) methods, with and without age stratification. Propensity score matching (PSM) and sensitivity analyses were conducted to assess the robustness of the results.</div></div><div><h3>Results</h3><div>TT did not improve OS (<em>P</em> = 0.888) or CSS (<em>P</em> = 0.907) compared to LT in the overall cohort. However, TT significantly improved OS (HR = 0.54, <em>P</em> = 0.004) and CSS (HR = 0.55, <em>P</em> = 0.018) in high-risk patients (T4, N1, or M1 stage), but not in low-risk patients. Age-stratified analysis showed TT benefited only young (18–55 years) high-risk patients, enhancing OS (HR = 0.29, <em>P</em> = 0.001) and CSS (HR = 0.35, <em>P</em> = 0.035). Older patients did not gain significant survival advantages from TT, regardless of risk status. These results were consistent in the PSM and sensitivity analyses.</div></div><div><h3>Conclusions</h3><div>TT may not be the best approach for all unilateral PTC patients over 4 cm in terms of OS and CSS. It improves survival outcomes in young patients with advanced TNM stages but does not confer a significant OS or CSS advantage over LT for older or low-risk patients.</div></div>","PeriodicalId":7771,"journal":{"name":"American journal of surgery","volume":"246 ","pages":"Article 116395"},"PeriodicalIF":2.7,"publicationDate":"2025-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143936938","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A match like no other: Lessons from a pandemic application cycle","authors":"Autumn Beavers MD, Andrea Gillis MD","doi":"10.1016/j.amjsurg.2025.116384","DOIUrl":"10.1016/j.amjsurg.2025.116384","url":null,"abstract":"","PeriodicalId":7771,"journal":{"name":"American journal of surgery","volume":"245 ","pages":"Article 116384"},"PeriodicalIF":2.7,"publicationDate":"2025-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143965371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A call to (Frequent) action: A reminder that residents value more feedback","authors":"Jennifer E. Hrabe MD , Muneera R. Kapadia MD, MME","doi":"10.1016/j.amjsurg.2025.116364","DOIUrl":"10.1016/j.amjsurg.2025.116364","url":null,"abstract":"","PeriodicalId":7771,"journal":{"name":"American journal of surgery","volume":"246 ","pages":"Article 116364"},"PeriodicalIF":2.7,"publicationDate":"2025-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144092681","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Devin O'Connor, Omar Hejazi, Christina Colosimo, Collin Stewart, Hamidreza Hosseinpour, Muhammad Haris Khurshid, Adam C Nelson, Bellal Joseph, Sai Krishna Bhogadi, Tanya Anand, Audrey L Spencer, Louis J Magnotti
{"title":"Corrigendum to \"Role of endovascular management on outcomes in patients with traumatic inferior vena cava injuries\" [Am J Surg 238 (2024) 115836].","authors":"Devin O'Connor, Omar Hejazi, Christina Colosimo, Collin Stewart, Hamidreza Hosseinpour, Muhammad Haris Khurshid, Adam C Nelson, Bellal Joseph, Sai Krishna Bhogadi, Tanya Anand, Audrey L Spencer, Louis J Magnotti","doi":"10.1016/j.amjsurg.2025.116358","DOIUrl":"https://doi.org/10.1016/j.amjsurg.2025.116358","url":null,"abstract":"","PeriodicalId":7771,"journal":{"name":"American journal of surgery","volume":" ","pages":"116358"},"PeriodicalIF":2.7,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143962293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rajika Jindani, Minerva A Romero Arenas, Mara B Antonoff
{"title":"The value of identity-based affinity group conferences in advancing professional growth and equity in surgery.","authors":"Rajika Jindani, Minerva A Romero Arenas, Mara B Antonoff","doi":"10.1016/j.amjsurg.2025.116391","DOIUrl":"https://doi.org/10.1016/j.amjsurg.2025.116391","url":null,"abstract":"","PeriodicalId":7771,"journal":{"name":"American journal of surgery","volume":" ","pages":"116391"},"PeriodicalIF":2.7,"publicationDate":"2025-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143953959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lindsey Nichols , Omar El-Kholy , Ahmed Adham R. Elsayed , Marc D. Basson
{"title":"The bidirectional interplay between gut dysbiosis and surgical complications: A systematic review","authors":"Lindsey Nichols , Omar El-Kholy , Ahmed Adham R. Elsayed , Marc D. Basson","doi":"10.1016/j.amjsurg.2025.116369","DOIUrl":"10.1016/j.amjsurg.2025.116369","url":null,"abstract":"<div><h3>Background</h3><div>The gut microbiome critically influences diverse aspects of physiology and surgical recovery. Conversely, surgery alters the microbiome, potentially predisposing to complications. We aimed to clarify the bidirectional interaction between surgery and gut dysbiosis.</div></div><div><h3>Methods</h3><div>On December 22nd, 2024, a systematic search of the Cochrane Library, PubMed, VHL, and WOS was completed. Relevant studies were assessed for risk of bias using STROBE and CONSORT guidelines.</div></div><div><h3>Results</h3><div>Thirty studies, with 2500+ participants experiencing diverse procedures and complications, were incorporated. Although specifics varied, dysbiosis correlated with surgery and its complications. Patients with complications had more harmful bacteria and fewer beneficial bacteria. In some studies, probiotics reduced complications.</div></div><div><h3>Conclusion</h3><div>Gut dysbiosis is tied to postoperative complications in a complex, bidirectional relationship. Patients with surgical complications may have fewer beneficial and more pathogenic bacteria both before and after surgery. Early identification of dysbiosis and probiotic administration could predict or even reduce postoperative complications.</div></div>","PeriodicalId":7771,"journal":{"name":"American journal of surgery","volume":"245 ","pages":"Article 116369"},"PeriodicalIF":2.7,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143918385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Micaella R. Zubkov , John Iguidbashian , Zhixin Lun , Kyle Bata , Lauren Gunn-Sandell , Derek Crosby , Kristin Stoebner , David Tharp , Linda Staubli , Ct Lin , Ethan Cumbler , Jennifer Wiler , Robert C. McIntyre Jr. , Jeniann Yi
{"title":"Novel electronic health records-based consultation workflow improves time to operating room for surgery patients in an acute setting","authors":"Micaella R. Zubkov , John Iguidbashian , Zhixin Lun , Kyle Bata , Lauren Gunn-Sandell , Derek Crosby , Kristin Stoebner , David Tharp , Linda Staubli , Ct Lin , Ethan Cumbler , Jennifer Wiler , Robert C. McIntyre Jr. , Jeniann Yi","doi":"10.1016/j.amjsurg.2025.116386","DOIUrl":"10.1016/j.amjsurg.2025.116386","url":null,"abstract":"<div><h3>Background</h3><div>A novel electronic health records (EHR)-based workflow was implemented at a quaternary referral center to improve the efficiency of inpatient surgical consultation processes for patients requiring trauma or acute care surgery (TACS) consultation.</div></div><div><h3>Methods</h3><div>The EHR-driven consultation workflow automated notifications, communication of patient information, and data-tracking. Timeliness of care was compared between pre-implementation (1/1/2020-1/31/2022), early post-implementation (2/1/2022-1/31/2023), and late post-implementation (2/1/2023-1/31/2024) cohorts.</div></div><div><h3>Results</h3><div>Of 5724 consultations, 2658 required surgery (733 pre-, 830 early post-, 1095 late post-implementation). Time between consult to OR was reduced overall by 27 % post-implementation (pre = 726 min; early post = 577; late post = 532; p < 0.001) and by 48 % (pre = 531 min; early post = 290; late post = 277; p < 0.001) for urgent/emergent cases. Length of stay decreased post-implementation with no difference in 30-day clinical outcomes.</div></div><div><h3>Conclusion</h3><div>Implementation of the novel EHR consultation workflow was safe and associated with decreased time-to-OR, which persisted throughout the post-implementation phase with greatest impact on patients requiring urgent/emergent operations.</div></div>","PeriodicalId":7771,"journal":{"name":"American journal of surgery","volume":"246 ","pages":"Article 116386"},"PeriodicalIF":2.7,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143936936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}