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1.
Anal Bioanal Chem ; 411(22): 5641-5645, 2019 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-31201459

RESUMEN

Helicobacter pylori (H. pylori) infection is the main cause of gastric inflammation and peptic ulcer disease. Diagnosis and treatment are important to prevent these outcomes. The diagnosis of H. pylori infection can be performed by non-invasive methods, such as 13C-urea breath test (13C-UBT). As endogenous urea is normally released to body cavities, we sought to investigate the usefulness of UBT without 13C-labelled external urea to detect H. pylori infection. The analysis was performed in a series of adult patients just before upper gastrointestinal endoscopy and biopsy to investigate dyspeptic symptoms. Breath samples were analyzed using isotope ratio mass spectrometry (IRMS). The natural variation of 13C and 18O isotopic abundance in the breath samples was also investigated. The results of the isotopic analysis were compared with the findings of the histopathological evaluation of gastric biopsies, which is the gold standard to detect H. pylori infection. No differences between patients with or without H. pylori infection could be detected by the isotope analysis of breath tests without 13C-urea. Therefore, our results showed that UBT without 13C-urea, analyzed by IRMS, was not useful to detect H. pylori infection in the study population.


Asunto(s)
Pruebas Respiratorias , Isótopos de Carbono/química , Infecciones por Helicobacter/diagnóstico , Helicobacter pylori/aislamiento & purificación , Urea/química , Adulto , Anciano , Estudios de Cohortes , Femenino , Infecciones por Helicobacter/microbiología , Humanos , Masculino , Espectrometría de Masas/métodos , Persona de Mediana Edad , Adulto Joven
2.
J Gastroenterol Hepatol ; 31(1): 229-34, 2016 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-26212461

RESUMEN

BACKGROUND AND AIM: Osteoporosis is well recognized as a cirrhosis complication; however, most studies assessing this condition included only patients on liver transplantation lists with an elevated rate of bone diseases. While general population studies show that handgrip strength is clearly associated with bone mineral density, until now this tool has not been applied to patients with cirrhosis in relation to their bone condition. This study aimed to evaluate whether handgrip strength, bone, and liver tests may be useful as predictors of bone disease in outpatients with cirrhosis. METHODS: One hundred twenty-nine subjects were included (77 men and 52 women). Dual-energy X-ray absorptiometry was applied to evaluate lumbar-spine and femoral-neck T scores. Osteoporosis/osteopenia rates were 26.3%/35.6% in the lumbar spine and 6.9%/41.8% in the femoral neck, respectively. Model selections were based on backward procedures to find the best predictors of low T scores. RESULTS: For lumbar spine, only low handgrip strength and high parathyroid hormone levels were clearly related to low T scores. For femoral neck, only age was associated with low T scores. CONCLUSIONS: Handgrip strength may serve as an effective predictor of low lumbar spine T score among outpatients with cirrhosis. As cirrhosis affects the lumbar spine more than the femoral neck, these results suggest that handgrip strength should be tested in all patients with cirrhosis as a first indicator of bone health.


Asunto(s)
Densidad Ósea , Fuerza de la Mano/fisiología , Cirrosis Hepática/complicaciones , Osteoporosis/diagnóstico , Osteoporosis/etiología , Pacientes Ambulatorios , Absorciometría de Fotón , Femenino , Cuello Femoral , Humanos , Vértebras Lumbares , Masculino , Persona de Mediana Edad , Osteoporosis/fisiopatología , Valor Predictivo de las Pruebas
3.
Am J Case Rep ; 22: e929948, 2021 Mar 09.
Artículo en Inglés | MEDLINE | ID: mdl-33686051

RESUMEN

BACKGROUND The severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2), which manifests mainly as a respiratory condition, has become a global pandemic that causes coronavirus disease-2019 (COVID-19). Although the symptoms remain mild in most patients, the elderly and patients with previous comorbidities have higher rates of morbidity and mortality. Patients with liver cirrhosis, especially after decompensation, may be more susceptible to SARS-CoV-2 infection due to systemic immune dysfunction. CASE REPORT The patient was a 51-year-old man who was hypertensive, an ex-alcoholic abstinent for 6 months, and a smoker. He was diagnosed with alcoholic liver cirrhosis in July 2019, and was using norfloxacin at home for secondary prophylaxis of bacterial peritonitis. He was also using furosemide and spironolactone to control ascites and propranolol for primary prophylaxis of esophageal varices. The patient entered our hospital in July 2020 with cough, dyspnea, runny nose, diarrhea, and fever. During hospitalization, we confirmed infection by COVID-19 and secondary nosocomial pulmonary infection. Chest tomography compatible with ground-glass standard was performed. The patient developed the need for auxiliary oxygen but without invasive mechanical ventilation. The patient received dexamethasone 6 mg/day and broad-spectrum antibiotic therapy (he was started on cefepime but switched to meropenem). At the end of the 14-day isolation period, he was discharged with improved respiratory status. CONCLUSIONS Despite high mortality rates in patients with advanced cirrhosis who become infected with COVID-19, we report a case with a favorable outcome. Success has been achieved with the use of medications in studies of broad-spectrum antibiotics and the rapid detection of complications caused by the virus. Further studies in SARS-CoV-2 patients with chronic liver disease are needed.


Asunto(s)
COVID-19/diagnóstico , COVID-19/terapia , Cirrosis Hepática Alcohólica/complicaciones , Antibacterianos/uso terapéutico , Tos , Dexametasona/uso terapéutico , Diarrea , Disnea , Fiebre , Hospitalización , Humanos , Masculino , Persona de Mediana Edad , Oxígeno/uso terapéutico , Fumadores
4.
World J Hepatol ; 6(6): 448-52, 2014 Jun 27.
Artículo en Inglés | MEDLINE | ID: mdl-25018856

RESUMEN

The use of triple therapy for hepatitis C not only increases the rate of sustained virological responses compared with the use of only interferon and ribavirin (RBV) but also leads to an increased number of side effects. The subject of this study was a 53-year-old male who was cirrhotic with hepatitis C virus genotype 1 A and was a previous null non-responder. We initially attempted retreatment with boceprevir (BOC), Peg-interferon and RBV, and a decrease in viral load was observed in the 8(th) week. In week 12, he presented with disorientation, flapping, fever, tachypnea, arterial hypotension and tachycardia. He also exhibited leucopenia with neutropenia. Cefepime and filgrastim were initiated, and treatment for hepatitis C was suspended. A myelogram revealed hypoplasia, cytotoxicity and maturational retardation. After 48 h, he developed bilateral inguinal erythema that evolved throughout the perineal area to the root of the thighs, with exulcerations and an outflow of seropurulent secretions. Because we hypothesized that he was suffering from Fournier's Syndrome, treatment was replaced with the antibiotics imipenem, linezolid and clindamycin. After this new treatment paradigm was initiated, his lesions regressed without requiring surgical debridement. Triple therapy requires knowledge regarding the management of adverse effects and drug interactions; it also requires an understanding of the importance of respecting the guidelines for the withdrawal of treatment. In this case report, we observed an adverse event that had not been previously reported in the literature with the use of BOC.

5.
World J Hepatol ; 6(7): 527-31, 2014 Jul 27.
Artículo en Inglés | MEDLINE | ID: mdl-25068005

RESUMEN

Acute fatty liver of pregnancy is a rare disease that affects women in the third trimester of pregnancy. Although infrequent, the disease can cause maternal mortality. The diagnosis is not always clear until the pregnancy is terminated, and significant complications, such as acute pancreatitis, can occur. Pancreatic involvement typically only occurs in severe cases after the development of hepatic and renal impairment. To date, little knowledge is available regarding how the disease causes pancreatitis. Treatment involves supportive measures and pregnancy interruption. In this report, we describe a case of a previously healthy 26-year-old woman at a gestational age of 27 wk and 6 d who was admitted with severe abdominal pain and vomiting. This case illustrates the clinical and laboratory overlap between acute fatty liver of pregnancy and pancreatitis, highlighting the difficulties in differentiating each disease. Furthermore, the hypothesis for this overlapping is presented, and the therapeutic options are discussed.

6.
World J Gastroenterol ; 19(34): 5750-3, 2013 Sep 14.
Artículo en Inglés | MEDLINE | ID: mdl-24039371

RESUMEN

Paracoccidioidomycosis is a systemic granulomatous disease caused by fungus, and must be considered in the differential diagnosis of intra-abdominal tumors in endemic areas. We report a rare case of paracoccidioidomycosis in the pancreas. A 45-year-old man was referred to our institution with a 2-mo history of epigastric abdominal pain that was not diet-related, with night sweating, inappetence, weight loss, jaundice, pruritus, choluria, and acholic feces, without signs of sepsis or palpable tumors. Abdominal ultrasonography (US) showed a solid mass of approximately 7 cm × 5.5 cm on the pancreas head. Abdominal computerized tomography showed dilation of the biliary tract, an enlarged pancreas (up to 4.5 in the head region), with dilation of the major pancreatic duct. The patient underwent exploratory laparotomy, and the surgical description consisted of a tumor, measuring 7 to 8 cm with a poorly-defined margin, adhering to posterior planes and mesenteric vessels, showing an enlarged bile duct. External drainage of the biliary tract, Roux-en-Y gastroenteroanastomosis, lymph node excision, and biopsies were performed, but malignant neoplasia was not found. Microscopic analysis showed chronic pancreatitis and a granulomatous chronic inflammatory process in the choledochal lymph node. Acid-alcohol resistant bacillus and fungus screening were negative. Fine-needle aspiration of the pancreas was performed under US guidance. The smear was compatible with infection by Paracoccidioides brasiliensis. We report a rare case of paracoccidioidomycosis simulating a malignant neoplasia in the pancreas head.


Asunto(s)
Neoplasias Pancreáticas/diagnóstico , Paracoccidioidomicosis/diagnóstico , Diagnóstico Diferencial , Humanos , Masculino , Persona de Mediana Edad
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