Annals of surgery
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Comparative Study
Females Are More Resistant to Ischemia-Reperfusion-induced Intestinal Injury Than Males: A Human Study.
Sex differences in responses to intestinal ischemia-reperfusion (IR) have been recognized in animal studies. We aimed to investigate sexual dimorphism in human small intestinal mucosal responses to IR. ⋯ The human female small intestine seems less susceptible to IR-induced tissue injury than the male small intestine. Recognition of such differences could lead to the development of novel therapeutic strategies to reduce IR-associated morbidity and mortality.
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Multicenter Study
Yield of Screening for COVID-19 in Asymptomatic Patients Prior to Elective or Emergency Surgery Using Chest CT and RT-PCR (SCOUT): Multicenter Study.
To determine the yield of preoperative screening for COVID-19 with chest CT and RT-PCR in patients without COVID-19 symptoms. ⋯ One in every 100 patients without COVID-19 symptoms tested positive for SARS-CoV-2 with RT-PCR; this yield increased in conjunction with community prevalence. The added value of chest CT was limited. Preoperative screening allowed us to take adequate precautions for SARS-CoV-2 positive patients in a surgical population, whereas negative patients needed only routine procedures.
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To develop a prediction model for clinical outcomes after unilateral adrenalectomy for unilateral primary aldosteronism. ⋯ The predictive score and the primary aldosteronism surgical outcome predictor can be used in a clinical setting to differentiate patients who are likely to be clinically cured after surgery from those who will need continuous surveillance after surgery due to persistent hypertension.
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Observational Study
Influence of Preoperative Oropharyngeal Microflora on the Occurrence of Postoperative Pneumonia and Survival in Patients Undergoing Esophagectomy for Esophageal Cancer.
The aim of this study was to clarify the correlation between oropharyngeal microflora and postoperative complications as well as long-term survival after esophagectomy. ⋯ Preoperative oropharyngeal culture is a simple and low-cost method that can predict both the occurrence of postoperative pneumonia and poor prognosis after esophagectomy.
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Comparative Study
Stereotactic Body Radiotherapy Versus Delayed Surgery for Early-stage Non-small-cell Lung Cancer.
To evaluate the overall survival of patients with operable stage IA non-small-cell lung cancer (NSCLC) who undergo "early" SBRT (within 0-30 days after diagnosis) versus "delayed" surgery (90-120 days after diagnosis). ⋯ In this national analysis, for patients with stage IA NSCLC, extended delay of surgery was associated with improved survival when compared to early treatment with SBRT.