John K. Ryan

Gastroenterology
9260 W Sunset Rd
Ste 306
Las Vegas, NV 89148

Last Updated: 09/26/2026

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Found 14 publications

When Pancreas Pierces Pleura: An Uncommon Case of Pancreaticopleural Fistula Managed Endoscopically.

When Pancreas Pierces Pleura: An Uncommon Case of Pancreaticopleural Fistula Managed Endoscopically.

Journal: Cureus
Published: April 14, 2026

Balancing Act: Evaluating the Impact of Direct Oral Anticoagulants on Gastrointestinal Complications in Atrial Fibrillation Patients.

Balancing Act: Evaluating the Impact of Direct Oral Anticoagulants on Gastrointestinal Complications in Atrial Fibrillation Patients.

Journal: Cureus
Published: April 30, 2025

How Do Polymorphonuclear Counts in Ascitic Fluid Correlate to Hospital Outcome.

How Do Polymorphonuclear Counts in Ascitic Fluid Correlate to Hospital Outcome.

Journal: Journal of community hospital internal medicine perspectives
Published: November 04, 2024

Evaluating the Impact of Phosphatidylethanol Testing on Hospital Outcomes.

Evaluating the Impact of Phosphatidylethanol Testing on Hospital Outcomes.

Journal: Gastroenterology research
Published: October 17, 2024

It Runs in the Family: A Rare Case of Familial Idiopathic Colonic Varices.

It Runs in the Family: A Rare Case of Familial Idiopathic Colonic Varices.

Journal: Journal of community hospital internal medicine perspectives
Published: October 02, 2024

Review of the Effects of Antiviral Therapy on Hepatitis B/C-Related Mortality and the Regression of Fibrosis.

Review of the Effects of Antiviral Therapy on Hepatitis B/C-Related Mortality and the Regression of Fibrosis.

Journal: Viruses
Published: August 16, 2024

A Rare Case of Isolated Metastasis to the Pleura in the Setting of Newly Diagnosed Pancreatic Adenocarcinoma.

A Rare Case of Isolated Metastasis to the Pleura in the Setting of Newly Diagnosed Pancreatic Adenocarcinoma.

Journal: Journal of community hospital internal medicine perspectives
Published: August 15, 2024

Think With Your Gut: A Retrospective Analysis on the Effects of Chronic Gastrointestinal Illness and Psychiatric Comorbidities.

Think With Your Gut: A Retrospective Analysis on the Effects of Chronic Gastrointestinal Illness and Psychiatric Comorbidities.

Journal: Gastroenterology research
Published: August 02, 2024

Serum Lactate Dehydrogenase Levels: The Grim Reaper Sign in Acute Pancreatitis?

Serum Lactate Dehydrogenase Levels: The Grim Reaper Sign in Acute Pancreatitis?

Journal: Journal of community hospital internal medicine perspectives
Published: June 20, 2024

The Biting Colon: An Unfortunate Nightmare for a Healthy but Anxious Patient.

The Biting Colon: An Unfortunate Nightmare for a Healthy but Anxious Patient.

Journal: Cureus
Published: May 23, 2024

Gallstone Ileus Caused by Migration of Gallstone Through Cholecystoduodenal Fistula Resulting in Small Bowel Obstruction.

Gallstone Ileus Caused by Migration of Gallstone Through Cholecystoduodenal Fistula Resulting in Small Bowel Obstruction.

Journal: Cureus
Published: April 21, 2023

An Unusual Case of an Acute Mesenteroaxial Gastric Volvulus Secondary to a Hiatal Hernia.

An Unusual Case of an Acute Mesenteroaxial Gastric Volvulus Secondary to a Hiatal Hernia.

Journal: Cureus
Published: November 07, 2022
Showing 1-12 of 14

Last Updated: 09/26/2026