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Duan Y, Chen J, Cui H, Zhao C. The effect of pantoprazole and somatostatin combined with thrombin in the treatment of non-esophagogastric varicosity upper gastrointestinal bleeding. Am J Transl Res 2021; 13:5484-5490. [PMID: 34150147 PMCID: PMC8205661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 09/10/2020] [Indexed: 06/12/2023]
Abstract
OBJECTIVE To explore the effect of pantoprazole and somatostatin combined with thrombin in the treatment of non-esophagogastric varicosity upper gastrointestinal bleeding (UGB) as well as its influence on serum hs-CRP and coagulation function. METHODS From June 2016 to May 2018, patients with upper gastrointestinal hemorrhage due to non-esophagogastric varices in our hospital were selected as research subjects. After screening, they were randomly divided into the combined group (57 cases) and the control group (57 cases). After the two groups are treated, the therapeutic effect was observed. The two groups of patients were followed up for 6 consecutive months, and the data were statistically analyzed. RESULTS It was found that there wass no significant difference between the two groups in gender, age, amount of bleeding, and etiology (P > 0.05). It was found that the immediate hemostasis rate and the hemostasis rate within 24 hours in the combined group were distinctly higher compared to the control group. The difference has statistical significance (P < 0.05). The total effective rate of the combined group was distinctly higher compared to the control group (P < 0.05). By comparing the expression levels of hs-CRP and IL-6 protein in the serum of the two groups before and after treatment, it was found that there was no significant difference in the expression levels of hs-CRP and IL-6 protein before treatment. However, after treatment, it was found that the levels of hs-CRP and IL-6 protein in the combined group were distinctly lower compared to the control group (P < 0.05). By analyzing adverse reactions, it was found that the combined group had distinctly lower adverse reactions compared to the control group (P < 0.05). CONCLUSION This work provides an experimental basis for the diagnosis and treatment of non-esophagogastric varicose UGB in the clinic.
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Affiliation(s)
- Yu Duan
- Department of Gastroenterology, The Third Hospital of Inner Mongolia Medical University (Inner Mongolia Baogang Hospital) Baotou 014010, Inner Mongolia Autonomous Region, China
| | - Ji Chen
- Department of Gastroenterology, The Third Hospital of Inner Mongolia Medical University (Inner Mongolia Baogang Hospital) Baotou 014010, Inner Mongolia Autonomous Region, China
| | - Hong Cui
- Department of Gastroenterology, The Third Hospital of Inner Mongolia Medical University (Inner Mongolia Baogang Hospital) Baotou 014010, Inner Mongolia Autonomous Region, China
| | - Cuijuan Zhao
- Department of Gastroenterology, The Third Hospital of Inner Mongolia Medical University (Inner Mongolia Baogang Hospital) Baotou 014010, Inner Mongolia Autonomous Region, China
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Kamada T, Satoh K, Itoh T, Ito M, Iwamoto J, Okimoto T, Kanno T, Sugimoto M, Chiba T, Nomura S, Mieda M, Hiraishi H, Yoshino J, Takagi A, Watanabe S, Koike K. Evidence-based clinical practice guidelines for peptic ulcer disease 2020. J Gastroenterol 2021; 56:303-322. [PMID: 33620586 PMCID: PMC8005399 DOI: 10.1007/s00535-021-01769-0] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 02/03/2021] [Indexed: 02/05/2023]
Abstract
The Japanese Society of Gastroenterology (JSGE) revised the third edition of evidence-based clinical practice guidelines for peptic ulcer disease in 2020 and created an English version. The revised guidelines consist of nine items: epidemiology, hemorrhagic gastric and duodenal ulcers, Helicobacter pylori (H. pylori) eradication therapy, non-eradication therapy, drug-induced ulcers, non-H. pylori, and nonsteroidal anti-inflammatory drug (NSAID) ulcers, remnant gastric ulcers, surgical treatment, and conservative therapy for perforation and stenosis. Therapeutic algorithms for the treatment of peptic ulcers differ based on ulcer complications. In patients with NSAID-induced ulcers, NSAIDs are discontinued and anti-ulcer therapy is administered. If NSAIDs cannot be discontinued, the ulcer is treated with proton pump inhibitors (PPIs). Vonoprazan (VPZ) with antibiotics is recommended as the first-line treatment for H. pylori eradication, and PPIs or VPZ with antibiotics is recommended as a second-line therapy. Patients who do not use NSAIDs and are H. pylori negative are considered to have idiopathic peptic ulcers. Algorithms for the prevention of NSAID- and low-dose aspirin (LDA)-related ulcers are presented in this guideline. These algorithms differ based on the concomitant use of LDA or NSAIDs and ulcer history or hemorrhagic ulcer history. In patients with a history of ulcers receiving NSAID therapy, PPIs with or without celecoxib are recommended and the administration of VPZ is suggested for the prevention of ulcer recurrence. In patients with a history of ulcers receiving LDA therapy, PPIs or VPZ are recommended and the administration of a histamine 2-receptor antagonist is suggested for the prevention of ulcer recurrence.
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Affiliation(s)
- Tomoari Kamada
- Department of Health Care Medicine, Kawasaki Medical School General Medical Center, 2-6-1, Nakasange, Kita-ku, Okayama, 700-8505, Japan.
- Guidelines Committee for Creating and Evaluating the ''Evidence-Based Clinical Practice Guidelines for Peptic Ulcer," the Japanese Society of Gastroenterology (JSGE), 6F Shimbashi i-MARK Bldg., 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan.
| | - Kiichi Satoh
- Guidelines Committee for Creating and Evaluating the ''Evidence-Based Clinical Practice Guidelines for Peptic Ulcer," the Japanese Society of Gastroenterology (JSGE), 6F Shimbashi i-MARK Bldg., 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Toshiyuki Itoh
- Guidelines Committee for Creating and Evaluating the ''Evidence-Based Clinical Practice Guidelines for Peptic Ulcer," the Japanese Society of Gastroenterology (JSGE), 6F Shimbashi i-MARK Bldg., 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Masanori Ito
- Guidelines Committee for Creating and Evaluating the ''Evidence-Based Clinical Practice Guidelines for Peptic Ulcer," the Japanese Society of Gastroenterology (JSGE), 6F Shimbashi i-MARK Bldg., 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Junichi Iwamoto
- Guidelines Committee for Creating and Evaluating the ''Evidence-Based Clinical Practice Guidelines for Peptic Ulcer," the Japanese Society of Gastroenterology (JSGE), 6F Shimbashi i-MARK Bldg., 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Tadayoshi Okimoto
- Guidelines Committee for Creating and Evaluating the ''Evidence-Based Clinical Practice Guidelines for Peptic Ulcer," the Japanese Society of Gastroenterology (JSGE), 6F Shimbashi i-MARK Bldg., 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Takeshi Kanno
- Guidelines Committee for Creating and Evaluating the ''Evidence-Based Clinical Practice Guidelines for Peptic Ulcer," the Japanese Society of Gastroenterology (JSGE), 6F Shimbashi i-MARK Bldg., 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Mitsushige Sugimoto
- Guidelines Committee for Creating and Evaluating the ''Evidence-Based Clinical Practice Guidelines for Peptic Ulcer," the Japanese Society of Gastroenterology (JSGE), 6F Shimbashi i-MARK Bldg., 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Toshimi Chiba
- Guidelines Committee for Creating and Evaluating the ''Evidence-Based Clinical Practice Guidelines for Peptic Ulcer," the Japanese Society of Gastroenterology (JSGE), 6F Shimbashi i-MARK Bldg., 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Sachiyo Nomura
- Guidelines Committee for Creating and Evaluating the ''Evidence-Based Clinical Practice Guidelines for Peptic Ulcer," the Japanese Society of Gastroenterology (JSGE), 6F Shimbashi i-MARK Bldg., 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Mitsuyo Mieda
- Guidelines Committee for Creating and Evaluating the ''Evidence-Based Clinical Practice Guidelines for Peptic Ulcer," the Japanese Society of Gastroenterology (JSGE), 6F Shimbashi i-MARK Bldg., 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Hideyuki Hiraishi
- Guidelines Committee for Creating and Evaluating the ''Evidence-Based Clinical Practice Guidelines for Peptic Ulcer," the Japanese Society of Gastroenterology (JSGE), 6F Shimbashi i-MARK Bldg., 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Junji Yoshino
- Guidelines Committee for Creating and Evaluating the ''Evidence-Based Clinical Practice Guidelines for Peptic Ulcer," the Japanese Society of Gastroenterology (JSGE), 6F Shimbashi i-MARK Bldg., 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Atsushi Takagi
- Guidelines Committee for Creating and Evaluating the ''Evidence-Based Clinical Practice Guidelines for Peptic Ulcer," the Japanese Society of Gastroenterology (JSGE), 6F Shimbashi i-MARK Bldg., 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Sumio Watanabe
- Guidelines Committee for Creating and Evaluating the ''Evidence-Based Clinical Practice Guidelines for Peptic Ulcer," the Japanese Society of Gastroenterology (JSGE), 6F Shimbashi i-MARK Bldg., 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
| | - Kazuhiko Koike
- Guidelines Committee for Creating and Evaluating the ''Evidence-Based Clinical Practice Guidelines for Peptic Ulcer," the Japanese Society of Gastroenterology (JSGE), 6F Shimbashi i-MARK Bldg., 2-6-2 Shimbashi, Minato-ku, Tokyo, 105-0004, Japan
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Wang H, Lang L, Ou N, Shi R, Hu H, Hu P, Jiang J. Pharmacokinetics, Pharmacodynamics and Safety of Multiple-Infusion Ilaprazole in Healthy Chinese Subjects. Clin Drug Investig 2016; 36:463-70. [PMID: 27067231 DOI: 10.1007/s40261-016-0390-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND AND OBJECTIVES Ilaprazole is a novel proton pump inhibitor that provides effective and long lasting inhibition of intragastric acid secretion. The objectives of this study were to investigate the pharmacokinetics, pharmacodynamics, and safety of intravenous ilaprazole after multiple administrations in healthy Chinese subjects. METHODS This was an open-label and multiple-dose clinical study. Ten healthy Chinese subjects received 10 mg ilaprazole infusion once daily for 5 days. Helicobacter pylori status was examined. Blood samples were collected and intragastric pH was recorded for 24 h. Safety was assessed throughout the study. RESULTS There was no accumulation after multiple administrations. The mean steady-state half-life and clearance were comparable to those following single administration. Ilaprazole provided sustainable and significant intragastric pH control in terms of percentage time at pH >4, pH >6 within 24 h and mean 24-h pH values. The pH value within 24 h was affected by Helicobacter pylori infection in subjects with continuous infusion. Intravenous ilaprazole was safe and there were no serious adverse events. CONCLUSION Intravenous ilaprazole provided stable pharmacokinetics and pharmacodynamics at a dose of 10 mg once daily for 5 days, and was well tolerated in healthy subjects.
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Affiliation(s)
- Hongyun Wang
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China
| | - Liwei Lang
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China
| | - Ning Ou
- Jiangsu Province Hospital, Nanjing, Jiangsu, 210029, China
| | - Ruihua Shi
- Jiangsu Province Hospital, Nanjing, Jiangsu, 210029, China
| | - Haitang Hu
- Livzon Pharmaceutical Co., Ltd., Zhuhai, Guangdong, 519020, China
| | - Pei Hu
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China
| | - Ji Jiang
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China.
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Wang H, Ou N, Lang L, Shi R, Hu P, Jiang J. Pharmacokinetics and pharmacodynamics of intravenous ilaprazole in healthy subjects after single ascending doses. Xenobiotica 2016; 46:1133-1141. [PMID: 26998954 DOI: 10.3109/00498254.2016.1156185] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
1. Ilaprazole is a novel proton pump inhibitor and this is the first study to investigate the pharmacokinetics, pharmacodynamics and safety of intravenous ilaprazole in healthy volunteers. 2. In this open-label, single-dose, randomized and four-period crossover study, 16 healthy Chinese subjects received ilaprazole 5, 10 or 20 mg intravenously, or 10 mg orally. Serial blood and urine samples were collected and intragastric pH was recorded within 24 h. The percentage time of intragastric pH > 6 was the major index. Safety was assessed throughout the study. 3. Plasma exposure of intravenous ilaprazole increased proportionally over the dose of 5-20 mg. Clearance and volume of distribution were independent of dose. Ilaprazole was not eliminated through urine and the absolute bioavailability was 55.2%. For the intravenous dose of 5, 10, 20 mg, and oral dose of 10 mg, the mean percentages time of intragastric pH > 6 were 47.3%, 52.8%, 68.2% and 47.5%, respectively. 4. Ilaprazole showed linear pharmacokinetics over the dose of 5-20 mg. Intravenous ilaprazole provided rapid onset of action and the potency of effect were exhibited in a dose-dependent manner. Intravenous ilaprazole was safe and well tolerated except for elevated activated partial thromboplastin time (APTT) and prothrombin time (PT).
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Affiliation(s)
- Hongyun Wang
- a Clinical Pharmacology Research Center, Peking Union Medical College Hospital , Beijing , China and
| | - Ning Ou
- b Jiangsu Province Hospital , Nanjing , Jiangsu , China
| | - Liwei Lang
- a Clinical Pharmacology Research Center, Peking Union Medical College Hospital , Beijing , China and
| | - Ruihua Shi
- b Jiangsu Province Hospital , Nanjing , Jiangsu , China
| | - Pei Hu
- a Clinical Pharmacology Research Center, Peking Union Medical College Hospital , Beijing , China and
| | - Ji Jiang
- a Clinical Pharmacology Research Center, Peking Union Medical College Hospital , Beijing , China and
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Masjedizadeh AR, Hajiani E, Alavinejad P, Hashemi SJ, Shayesteh AA, Jamshidian N. High Dose versus Low Dose Intravenous Pantoprazole in Bleeding Peptic Ulcer: A Randomized Clinical Trial. Middle East J Dig Dis 2014; 6:137-43. [PMID: 25093061 PMCID: PMC4119670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2014] [Accepted: 06/11/2014] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND The appropriate dose of proton pump inhibitors for treatment of patients with upper (GI) bleeding remains controversial. This study compares high-dose versus low-dose intravenous proton pump inhibitor (PPI) infusion for prevention of GI bleeding complications. METHODS A total of 166 patients with bleeding peptic ulcers underwent therapeutic endoscopy using concomitant therapy by argon plasma coagulation (APC) and diluted epinephrine injection. Patients were randomly divided into two groups: high-dose pantoprazole (80 mg bolus, 8 mg per hour) and low-dose pantoprazole (40 mg bolus, 4 mg per hour) infused for three days. Initial outcomes were rebleeding, need for surgery, hemoglobin drop more than two units, and hospitalization for more than five days. Secondary outcome included mortality rate. RESULTS Overall, 166 patients (83 patients per group) enrolled in the study. The average age of patients in the high-dose group was 59.5±15.6 years and 52.3±13.3 years in the low-dose group (p=0.58). Males comprised 69.7% of patients. In the high-dose group, the mean number of units of transfused blood was 3.3±1.71 and in the low-dose group, it was 2.82±1.73 (p=0.50). There were 36 (43.37%) patients in the high-dose group and 40 (48.19%) in the low-dose group who were hospitalized for more than 5 days (p=0.53). Rebleeding was observed in 27 (32.53%) patients in the high-dose group and in 21 (25.30%) in the low-dose group (p=0.30). There were no significant differences observed in drop in hemoglobin of more than two units (p=0.15), mortality (p=0.99) and surgery (p=0.75) between the two groups. CONCLUSION For controlling peptic ulcer bleeding, there is no difference between high dose and low dose pantoprazole infusion.
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Affiliation(s)
- Abdol Rahim Masjedizadeh
- 1 Research Institute for Infectious Diseases of the Digestive System, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
,2 Division of Gastroenterology and Hepatology,Ahvaz Jundishapur University of Medical Sciences, Ahwaz, Iran
,Corresponding Author: Abdol Rahim Masjedizadeh, MD Division of Gastroenterology and Hepatology, Department of Internal Medicine, Ahvaz Jundishapur University of Medical Sciences, Imam Hospital, P.O. Box 89, Ahvaz, Iran Tel: +98 611 3910643 Fax:+98 611 3910642
| | - Eskandar Hajiani
- 1 Research Institute for Infectious Diseases of the Digestive System, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
,2 Division of Gastroenterology and Hepatology,Ahvaz Jundishapur University of Medical Sciences, Ahwaz, Iran
| | - Pezhman Alavinejad
- 1 Research Institute for Infectious Diseases of the Digestive System, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
,2 Division of Gastroenterology and Hepatology,Ahvaz Jundishapur University of Medical Sciences, Ahwaz, Iran
| | - Seyed Jalal Hashemi
- 1 Research Institute for Infectious Diseases of the Digestive System, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
,2 Division of Gastroenterology and Hepatology,Ahvaz Jundishapur University of Medical Sciences, Ahwaz, Iran
| | - Ali Akbar Shayesteh
- 1 Research Institute for Infectious Diseases of the Digestive System, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
,2 Division of Gastroenterology and Hepatology,Ahvaz Jundishapur University of Medical Sciences, Ahwaz, Iran
| | - Noordin Jamshidian
- 3 Department of Internal Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahwaz, Iran
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Wang H, Tso VK, Slupsky CM, Fedorak RN. Metabolomics and detection of colorectal cancer in humans: a systematic review. Future Oncol 2011; 6:1395-406. [PMID: 20919825 DOI: 10.2217/fon.10.107] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Metabolomics represents one of the new omics sciences and capitalizes on the unique presence and concentration of small molecules in tissues and body fluids to construct a 'fingerprint' that can be unique to the individual and, within that individual, unique to environmental influences, including health and disease states. As such, metabolomics has the potential to serve an important role in diagnosis and management of human conditions. Colorectal cancer is a major public health concern. Current population-based screening methods are suboptimal and whether metabolomics could represent a new tool of screening is under investigation. The purpose of this systematic review is to summarize existing literature on metabolomics and colorectal cancer, in terms of diagnostic accuracies and distinguishing metabolites. Eight studies are included. A total of 12 metabolites (taurine, lactate, choline, inositol, glycine, phosphocholine, proline, phenylalanine, alanine, threonine, valine and leucine) were found to be more prevalent in colorectal cancer and glucose was found to be in higher proportion in control specimens using tissue metabolomics. Serum and urine metabolomics identified several other differential metabolites between controls and colorectal cancer patients. This article highlights the novelty of the field of metabolomics in colorectal oncology.
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Affiliation(s)
- Haili Wang
- University of Alberta, 130 University Campus, 112th St & 85th Avenue, Edmonton, AB, Canada
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Abstract
A proton pump inhibitor (PPI) is often co-prescribed with clopidogrel to reduce the gastrointestinal risk of bleeding ulcers in patients following acute coronary syndrome or a stent implant. However, the safety issue of such practice has been scrutinized after some studies reporting an increased incidence of cardiovascular events and mortality, although there have also been contrary research reports. This has lead to a warning statement from the US Food and Drug Administration cautioning the concomitant use of PPI and clopidogrel. This review examines the evidence of PPI as gastroprotective agent, histamine H(2) antagonists as an alternative therapy, the influence of PPI on the antiplatelet effect of clopidogrel, and the controversies of various studies.
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Affiliation(s)
- H J Tan
- Division of Gastroenterology, Sunway Medical Centre, Kuala Lumpur, Malaysia.
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Calvet X. [New data on the efficacy of proton pump inhibitors in upper gastrointestinal bleeding]. GASTROENTEROLOGIA Y HEPATOLOGIA 2010; 33 Suppl 1:11-14. [PMID: 20728784 DOI: 10.1016/s0210-5705(10)70003-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Gastric pH should be maintained at very high values to prevent peptic ulcer rebleeding. A recent randomized trial, however, has confirmed that intravenous infusion of esomeprazole decreases the rebleeding rate after endoscopic therapy. In addition, the use of proton pump inhibitor perfusion at admission before diagnostic endoscopy reduces the need for endoscopic therapy and shortens the mean length of hospital stay.
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Affiliation(s)
- Xavier Calvet
- Hospital de Sabadell, Institut Universitari Parc Taulí, Departament de Medicina, Universitat Autònoma de Barcelona, España.
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Abstract
Upper gastrointestinal bleeding from peptic ulcer disease is a common clinical event, resulting in considerable patient morbidity and significant health care costs. Inhibiting gastric acid secretion is a key component in improving clinical outcomes, including reducing rebleeding, transfusion requirements, and surgery. Raising intragastric pH promotes clot stability and reduces the influences of gastric acid and pepsin. Patients with high-risk stigmata for ulcer bleeding (arterial bleeding, nonbleeding visible vessels, and adherent clots) benefit significantly from and should receive high-dose intravenous proton pump inhibitors (PPIs) after successful endoscopic hemostasis. For patients with low-risk stigmata (flat spots or clean ulcer base), oral PPI therapy alone is sufficient. For oozing bleeding (an intermediate risk finding), successful endoscopic hemostasis and oral PPI are recommended. Using intravenous PPIs before endoscopy appears to reduce the frequency of finding high-risk stigmata on later endoscopy, but has not been shown to improve clinical outcomes. High-dose oral PPIs may be as effective as intravenous infusion in achieving positive clinical outcomes, but this has not been documented by randomized studies and its cost-effectiveness is unclear.
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