Publications by authors named "Qifeng Lou"

Papillary adenomas, known precursors to papillary adenocarcinoma, warrant close monitoring due to their malignant potential. Historically, surgical resection represented the mainstay of treatment for papillary adenomas with intraductal extension. However, recent advancements in endoscopic techniques have facilitated the adoption of endoscopic papillectomy as a minimally invasive alternative in carefully selected cases.

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Background And Aim: This study aims to determine whether endoscopic papillectomy (EP) is a safe and effective treatment for early duodenal papillary carcinoma with long-term follow-up.

Methods: From June 2012 to September 2022, 48 patients with early duodenal papilloma carcinoma who received endoscopic treatment were included. The histological types, percentage of complete resections, postoperative residuals, adverse events, and recurrences were evaluated.

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Article Synopsis
  • The coexistence of Crohn's disease and acute appendicitis is uncommon, presenting challenges in treatment due to differing recommended approaches for each condition.
  • A 17-year-old boy with Crohn's disease experienced symptoms of appendicitis, and after confirmation through ultrasound, he underwent endoscopic retrograde appendicitis therapy (ERAT) rather than a traditional appendectomy.
  • The ERAT procedure was successful, providing immediate pain relief and preventing further abdominal attacks over an 18-month follow-up, indicating it as a safe alternative treatment in patients with both conditions.
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The acute attack of acute heart failure or the continuous deterioration of cardiac function leads to a series of changes such as reduced cardiac contractility, increased cardiac load, and a sudden drop of acute cardiac output, which eventually cause pulmonary circulation congestion and acute dyspnea due to acute pulmonary congestion. To observe the impact of noninvasive ventilator-assisted ventilation nursing combined with mechanical vibration on the level of heart failure indexes in intensive care unit (ICU) patients with acute heart failure, 120 patients with acute heart failure who were treated in the ICU ward of our hospital from September 2018 to March 2021 were selected, and the qualified subjects were divided into two groups according to the 1 : 1 principle by a simple random method. 120 patients were given conventional symptomatic treatment and noninvasive ventilator-assisted ventilation.

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Objective: To evaluate the diagnostic value of gastrin-17 (G-17) and pepsinogen (PG) in gastric cancer (GC) screening in China, especially eastern China, and to determine the best diagnostic combination and threshold (cutoff values) to screen out patients who need gastroscopy.

Methods: The serum concentrations of G-17 and pepsinogen I and II (PGI and PGII) in 834 patients were analyzed, and the PGI/PGII ratio (PGR) was calculated. According to pathological results, patients can be divided into chronic nonatrophic gastritis (NAG)/chronic atrophic gastritis (CAG)/intraepithelial neoplasia (IN)/GC groups.

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Article Synopsis
  • * Patients without antibiotic treatment formed three distinct clusters based on their biliary microbes, with those who had EST showing an enrichment of gastrointestinal bacteria compared to oral and environmental bacteria in the other clusters.
  • * Although overall bacterial diversity (α-diversity) remained similar, the study found substantial differences in community composition (β-diversity) between patients with and without EST, suggesting that EST significantly alters the biliary bacterial landscape.
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At present, therapeutic endoscopic retrograde cholangiopancreatography (ERCP) has gradually been used in the diagnosis and treatment of biliary and pancreatic diseases in children, but reports on and the application of ERCP in children, especially in infants, are still highly limited. This case report describes a 99-day-old infant with choledocholithiasis who successfully underwent ERCP to relieve an obstruction. The infant developed obstructive jaundice during chemotherapy for a malignant tumor, and a routine blood examination showed signs of infection.

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Background And Aims: Endoscopic radiofrequency ablation (RFA) is a new ablative treatment for unresectable extrahepatic cholangiocarcinoma (EHCC). A novel 5-fluorouracil compound, S-1 (Taiho Pharmaceutical Co, Ltd, Tokushima Plant. Japan), has been widely used as a key drug with first-line or second-line chemotherapy for the treatment of advanced cholangiocarcinoma.

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Tumor deposits are one of the promising factors among the different edition of Tumor, Node, Metastasis classification. Despite improvement in the treatment of various types of metastatic disease the source and prognostic significance of tumor deposits in staging has not been deliberating the agreeable opinion. We investigated the possibility of tumor deposit as independent prognostic factor and evaluating its prognostic value in colorectal carcinoma patients.

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Background & Aims: Rectal indomethacin and spraying of the duodenal papilla with epinephrine might reduce the incidence of pancreatitis after endoscopic retrograde cholangiopancreatography (ERCP). We performed a randomized trial to compare the effects of the combination of indomethacin and epinephrine (IE) vs indomethacin plus saline (IS) in prophylaxis of post-ERCP pancreatitis (PEP).

Methods: We performed a double-blind trial at 10 centers in China, from February 2017 to October 2017, of 1158 patients with native papilla undergoing ERCP.

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Background: Endoscopic placement of biliary stents to relieve jaundice is the main palliative treatment for unresectable extrahepatic cholangiocarcinoma. Endoscopic biliary radiofrequency ablation (RFA) has been reported to prolong stent patency, which may be beneficial in improving patient survival. However, available evidence is still insufficient, as most reported studies are retrospective case series.

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Heterotopic pancreas (HP) is a relatively uncommon entity that is defined as pancreatic tissue without a true anatomical or vascular connection to the pancreas. HP does not cause symptoms in most cases but can occasionally produce various manifestations, including nausea, vomiting, abdominal pain, and even heterotopic pancreatitis. Here, we report an unusual case in which heterotopic pancreatitis complicated by the formation of a pseudocyst that caused gastric outlet obstruction was diagnosed based on serum hyperamylasemia and findings from endoscopic ultrasonography (EUS)-guided fine needle aspiration (EUS-FNA) cytology.

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Background: The available evidence of Photodynamic therapy (PDT) combined with stent placement treatment for unresectable extrahepatic cholangiocarcinoma (EHCC) is still insufficient. It also remains unclear whether PDT influences systemic inflammatory response.

Aim: To explore the clinical efficacy and safety of the combination treatment and the systemic inflammatory response in patients with EHCC.

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