People

Alex Lois

  • Assistant Professor of Surgery
  • Clinical Interests: Abdominal Wall Reconstruction, Complex Abdominal Surgery, Complex Abdominal Wall Hernia and Reconstruction, Esophageal Diverticula, Esophageal Motility Disorders, Gallbladder and Biliary System Surgery, Gastroesophageal Reflux Disease GERD, Hiatal Hernia, Laparoscopic Hernia Surgery, Minimally Invasive Surgery, Robotic Surgery
  • Research and Scholarly Interests: Achalasia, Bariatric Surgery, Esophagus, Esophagus, Barrett's, Esophagus, Nutcracker, Gallbladder, GERD, Hernia Repairs, Hernia, Hiatus, Hernias, Inguinal, Reflux, Gastroesophageal, Small Intestine, Stomach, Ventral Hernias
  • Websites: Research Network Profile
  • Contact: alexlois@uchicago.edu

Alex Lois conducts clinical and health services research. His specific research interests are hernia, gastroesophageal reflux disease, esophageal motility disorders, paraesophageal hernia surgery, informed consent, and surgical ethics.

University of Washington
Seattle, WA
- MIS/Foregut Fellowship
2024

University of Washington
Seattle, WA
- General Surgery Residency
2023

Medical College of Wisconsin
Milwaukee, WI
MD - Medicine
2016

University of Wisconsin
Madison, WI
BS - Biology
2012

University of Washington
Seattle, WA
MS - Clinical Epidemiology
062021

Fixed-distance pH probe placement produces systematic bias in reflux detection: the role of esophageal length.
Fixed-distance pH probe placement produces systematic bias in reflux detection: the role of esophageal length. J Gastrointest Surg. 2026 Sep 05; 30(11):102578.
PMID: 42700887

Procedural Maturation and Midterm Durability of the Posterior Rectus Sheath Flap for Hiatal Augmentation in Complex Paraesophageal Hernias.
Procedural Maturation and Midterm Durability of the Posterior Rectus Sheath Flap for Hiatal Augmentation in Complex Paraesophageal Hernias. Ann Surg. 2026 Sep 04.
PMID: 42693496

Accuracy of natural language processors for patients seeking inguinal hernia information.
Accuracy of natural language processors for patients seeking inguinal hernia information. Surg Endosc. 2024 Dec; 38(12):7409-7415.
PMID: 39443381

The association between gender and industry payments to minimally invasive surgeons.
The association between gender and industry payments to minimally invasive surgeons. Surg Endosc. 2025 01; 39(1):465-471.
PMID: 39377951

A Video-Based Consent Tool: Development and Effect of Risk-Benefit Framing on Intention to Randomize.
A Video-Based Consent Tool: Development and Effect of Risk-Benefit Framing on Intention to Randomize. J Surg Res. 2023 Mar; 283:357-367.
PMID: 36427446

Concordance of financial disclosures among faculty at the 2018-2020 SAGES annual meetings.
Concordance of financial disclosures among faculty at the 2018-2020 SAGES annual meetings. Surg Endosc. 2023 06; 37(6):4877-4884.
PMID: 36151393

Use and Safety of Per-Oral Endoscopic Myotomy for Achalasia in the US.
Use and Safety of Per-Oral Endoscopic Myotomy for Achalasia in the US. JAMA Surg. 2022 06 01; 157(6):490-497.
PMID: 35442413

The impact of socioeconomic status on telemedicine utilization during the COVID-19 pandemic among surgical clinics at an academic tertiary care center.
The impact of socioeconomic status on telemedicine utilization during the COVID-19 pandemic among surgical clinics at an academic tertiary care center. Surg Endosc. 2022 12; 36(12):9304-9312.
PMID: 35332387

Patient decision-making in symptomatic gallbladder disease.
Patient decision-making in symptomatic gallbladder disease. Surg Endosc. 2022 08; 36(8):6271-6277.
PMID: 35230533

Patterns of care after cholecystostomy tube placement.
Patterns of care after cholecystostomy tube placement. Surg Endosc. 2022 05; 36(5):2778-2785.
PMID: 34076767

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