Effects of High Altitude and Diet on Gastric Disease Severity in Helicobacter pylori Infection in Peru.

Helicobacter pylori is a bacterium that infects approximately half of the world's population, being more prevalent in low- and middle-income countries. H. pylori can cause gastritis, peptic ulcer disease, mucosa-associated lymphoid tissue lymphoma, and gastric cancer, which is among the five most frequent cancers worldwide.

[Therapeutic adherence to Helicobacter pylori eradication treatment and its associated factors in a public hospital in Peru].

Objective: To determine the factors associated with adherence to Helicobacter pylori eradication treatment in patients with the infection.

Materials And Methods: A longitudinal prospective cohort analytical observational study was conducted, including 100 patients who initiated Helicobacter pylori eradication treatment. The Morisky Green test was applied to measure adherence to treatment and the Battle Test was applied to measure knowledge about Helicobacter pylori infection.

Rectal syphilis in a HIV patient from Peru.

We present the case of a 53-year-old male patient, a man who had sex with men. He described the presence of inguinal adenopathy and non-painful ulcer with indurated edges on his penis that heal spontaneously after 3 months. In the same period of time the patient presented: tenesmus, bleeding and rectal pain.

Diagnostic and therapeutic cholangioscopy in biliary diseases: a prospective study in Peru.

Introduction: Cholangioscopy is a test that allows the evaluation of the biliary epithelium. It is used for diagnosis and management of biliary diseases.

Objectives: Determine the success rate of complete removal of difficult stones with the use of laser lithotripsy through cholangioscopy as well as its complications.

[Dental erosions in patients with gastroesophageal reflux disease in National Hospital Arzobispo Loayza].

Introduction: Gastroesophageal reflux disease (GERD) is considered as one of the most common digestive disease in the population, being the dental erosion a manifestation extra-esophageal in the oral cavity.

Objectives: investigate asociation between erosion and GERD according to esophagitis grade, erosion grade, sex and age.

Material And Methods: descriptive, observational, and correlational study in 150 patients with endoscopically diagnosed GERD, grades of esophagitis according to the classification of Los Angeles, in the Department of Gastroenterology at Arzobispo Loayza Hospital (2011-2012).

[Barrett's esophagus: prevalence and risk factors in the National Hospital Arzobispo Loayza in Lima-Peru].

Introduction: Barrett's esophagus (BE)is a condition where squamous epithelium is substituted for glandular type intestinal as consequence gastroesophageal reflux chronic. The BE is a lesion pre malignant (adenocarcinoma ). Factors like age, generous, biliary reflux, antecedent of esophagitis, hiatus hernia, obesity, fatty diet could be risk factors in BE, while Helicobacter pylori could be protect factor.

[Recurrent benign intrahepatic cholestasis and their progression to familiar progressive intrahepatic cholestasis].

Benign recurrent intrahepatic cholestasis (BRIC) is a rare form of intrahepatic cholestasis characterized by repeated self-limited episodes of severe pruritus and jaundice. Classically its natural evolution is benign, without progress to fibrosis or hepatic insufficiency; although, lastly were reported cases which progress to Progressive familial intrahepatic cholestasis (PFIC). This disease is characterized by progressive hepatic insufficiency and cirrhosis.

[Risk factors that increase the morbimortality in patients with upper digestive bleeding in the "Hospital Nacional Arzobispo Loayza" (1980-2003)].

Unlabelled: Upper gastrointestinal bleeding is a digestive disorder with both high morbidity and mortality, being the most important digestive emergency. The objective of study was to find risk factors than increase morbimortality and efficacy treatment of used.

Materials And Methods: The design was is a retrospective case-control study, an aleatory unrestrictive sample was done, with 104 subjects each group, selected by the aleatory numbers table.

[Characteristics of the endoscopic retrograde cholangiopancreatography in a national referral center].

Purpose: Endoscopic Retrograde Cholangiopancreatography (ERCP) is a method being used for approximately 30 years, in the diagnosis and treatment of a number of hepatobiliary and pancreatic disorders. This study has been undertaken to analyze ERCP characteristics in a national referential center.

Materials And Methods: This is a retrospective descriptive study of a transverse section of 1702 patients subjected to ERCP in the Digestive Endoscopy Center of Gastroenterology Service of the Arzobispo Loayza Hospital between 2000 and 2003.

[ENDOSCOPIC RETROGRADE CHOLANGIO PANCREATOGRAPHY(ERCP): EXPERIENCE IN 902 PROCEDURES AT THE ENDOSCOPY DIGESTIVE CENTRE OF "ARZOBISPO LOAYZA" HOSPITAL].

On 1997, the Digestive Endoscopy Centre of "Arzobispo Loayza" Hospital was created with the cooperation of JICA (Japan International Cooperation Agency). 902 ERCP were regularly performed from 1985 to August 1997. 902 tests were reviewed and 831 cases were left after excluding 16 ampulloma cases, 15 cannulated or insufficient cases and 40 cases dealing only with pancreatic duct cannulation.