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1.
J Clin Med ; 12(18)2023 Sep 05.
Article in English | MEDLINE | ID: mdl-37762728

ABSTRACT

Irritable bowel syndrome with predominant diarrhea (IBS-D) and functional diarrhea (FD) are disorders of gut-brain interaction characterized by recurring symptoms which have a serious impact on the patient's quality of life. Their pathophysiology is far from being completely understood. In IBS-D growing evidence suggests that bile acid malabsorption (BAM) could be present in up to 30% of patients. Microscopic colitis (MC) is a well-known cause of watery diarrhea and some patients, at first, can be diagnosed as IBS-D or FD. Both BAM and MC are often responsible for the lack of response to conventional treatments in patients labelled as "refractory". Moreover, because BAM and MC are not mutually exclusive, and can be found in the same patient, they should always be considered in the diagnostic workout when a specific treatment for BAM or MC is unsatisfactory. In the present review the possible shared pathogenetic mechanisms between BAM and MC are discussed highlighting how MC can induce a secondary BAM. Moreover, a brief overview of the current literature regarding the prevalence of their association is provided.

2.
Adv Clin Exp Med ; 32(9): 1075-1080, 2023 Sep.
Article in English | MEDLINE | ID: mdl-37665080

ABSTRACT

BACKGROUND: Proton pump inhibitors (PPIs) are currently the reference drugs for gastroesophageal reflux disease (GERD), but symptoms often recur after their withdrawal. Moreover, whether prokinetics or barrier drugs used alongside PPIs are more effective remains under debate. OBJECTIVES: The aim of the study was to assess the efficacy of different therapeutic approaches to GERD treatment. MATERIAL AND METHODS: We enrolled 211 grade A reflux esophagitis patients who consented to participate in this non-randomized, open-label trial. The study consisted of 6 sequentially administered medical treatments for GERD, lasting 2 months, with a 3-week washout period between each drug schedule: Group A: PPI (esomeprazole 40 mg/day before breakfast); Group B: mucosal protective drugs (a combination of hyaluronic acid, chondroitin sulfate and poloxamer 407, or a combination of hyaluronic acid, chondroitin sulfate and aluminum, 3 times daily after a meal); Group C: prokinetics (levosulpiride 25 mg or domperidone 10 mg, 3 times daily before a meal); Group D: barrier drug (alginate 3 times daily after a meal); Group E: PPI (esomeprazole 40 mg/day before breakfast) and mucosal protective drugs (a combination of hyaluronic acid, chondroitin sulfate and poloxamer 407, or a combination of hyaluronic acid, chondroitin sulfate and aluminum, before sleep); Group F: PPI (esomeprazole 40 mg/day before breakfast) and prokinetics (levosulpiride 25 mg or domperidone 10 mg before lunch and dinner). Symptoms were evaluated using the visual analogue scale (VAS) and global symptomatic score (GSS), as follows: heartburn: 0-3; retrosternal chest pain: 0-3; regurgitation: 0-3. RESULTS: All but 2 treatments (groups C and D) significantly improved VAS and GSS, with group E showing the most significant GSS improvement. Group C had the highest number of dropouts due to treatment failure and reported more side effects. CONCLUSION: Using PPIs and mucosal protective drugs resulted in significant symptom alleviation. However, the administration of prokinetics caused higher dropouts due to treatment failure.

3.
Aliment Pharmacol Ther ; 55(11): 1423-1430, 2022 06.
Article in English | MEDLINE | ID: mdl-35229321

ABSTRACT

BACKGROUND: A hierarchical approach for gastro-oesophageal reflux disease (GERD) diagnosis by impedance-pH monitoring was proposed by the Lyon Consensus, based on acid exposure time (AET) and supportive impedance metrics. AIMS: To establish the clinical value of Lyon Consensus criteria in the work-up of patients with proton pump inhibitory (PPI)-refractory heartburn. METHODS: Expert review of off-therapy impedance-pH tracings from unproven GERD patients with PPI-refractory heartburn prospectively evaluated at referral centers. Impedance metrics, namely total reflux episodes, postreflux swallow-induced peristaltic wave index, and mean nocturnal baseline impedance, were assessed. Expert review of on-therapy preoperative impedance-pH tracings from a separate cohort of surgically treated erosive/nonerosive GERD cases. RESULTS: Off-therapy, normal, inconclusive, and abnormal AET was found in 59%, 17%, and 23% of 317 cases. Supportive evidence of GERD was provided by abnormal impedance metrics in up to 22% and 62% of cases in the normal and inconclusive AET groups, respectively. Adding the cases with inconclusive AET and abnormal impedance metrics to the abnormal AET group, a significant increase in GERD evidence was observed (from 23% to 37% of cases, p < 0.0002). At the on-therapy presurgical evaluation, abnormal/inconclusive AET and supraphysiological values of impedance metrics showed ongoing reflux in 21% and 90% of 96 cases, respectively (p < 0.00001); a relationship between on-therapy ongoing reflux and PPI-refractory heartburn was confirmed by the favorable surgical outcome at 3-year follow-up, 88% of cases being in persistent off-PPI heartburn remission. CONCLUSIONS: Impedance-pH monitoring, off- and on-therapy, is of high clinical value in the work-up of patients with PPI-refractory heartburn.


Subject(s)
Gastroesophageal Reflux , Heartburn , Humans , Consensus , Electric Impedance , Esophageal pH Monitoring , Gastroesophageal Reflux/diagnosis , Gastroesophageal Reflux/drug therapy , Heartburn/diagnosis , Heartburn/drug therapy , Proton Pump Inhibitors/therapeutic use , Proton Pumps/therapeutic use
4.
Ann Otol Rhinol Laryngol ; 129(10): 1020-1029, 2020 Oct.
Article in English | MEDLINE | ID: mdl-32468832

ABSTRACT

OBJECTIVES: To investigate the psychometric properties of the reflux symptom index (RSI) as short screening approach for the diagnostic of laryngopharyngeal reflux (LPR) in patients with confirmed diagnosed regarding the 24-hour multichannel intraluminal impedance-pH monitoring (MII-pH). METHODS: From January 2017 to December 2018, 56 patients with LPR symptoms and 71 healthy individuals (control group) were prospectively enrolled. The LPR diagnosis was confirmed through MII-pH results. All subjects (n = 127) fulfilled RSI and the Reflux Finding Score (RFS) was performed through flexible fiberoptic endoscopy. The sensitivity and the specificity of RSI was assessed by ROC (Receiver Operating Characteristic) analysis. RESULTS: A total of 15 LPR patients (26.8%) of the clinical group met MII-pH diagnostic criteria. Among subjects classified as positive for MII- pH diagnoses, RSI and RFS mean scores were respectively 20 (SD ± 10.5) and 7.1 (SD ± 2.5), values not significantly different compared to the negative MII-pH group. The metric analysis of the items led to the realization of a binary recoding of the score. Both versions had similar psychometric properties, α was 0.840 for RSI original version and 0.836 for RSI binary version. High and comparable area under curve (AUC) values indicate a good ability of both scales to discriminate between individuals with and without LPR pathology diagnosis. Based on balanced sensitivity and specificity, the optimal cut-off scores for LPR pathology were ≥ 5 for RSI binary version and ≥ 15 for RSI original version. Both version overestimated LPR prevalence. The original version had more sensitivity and the RSI Binary version had more specificity. CONCLUSIONS: It would be necessary to think about modifying the original RSI in order to improve its sensitivity and specificity (RSI binary version, adding or changing some items), or to introduce new scores in order to better frame the probably affected of LPR patient.


Subject(s)
Esophageal pH Monitoring , Esophagus/physiopathology , Laryngopharyngeal Reflux/diagnosis , Manometry , Adult , Case-Control Studies , Cough/etiology , Cough/physiopathology , Deglutition Disorders/etiology , Deglutition Disorders/physiopathology , Female , Globus Sensation/etiology , Globus Sensation/physiopathology , Heartburn/etiology , Heartburn/physiopathology , Hoarseness/etiology , Hoarseness/physiopathology , Humans , Laryngopharyngeal Reflux/complications , Laryngopharyngeal Reflux/physiopathology , Male , Middle Aged , Principal Component Analysis , Psychometrics , Reproducibility of Results , Surveys and Questionnaires
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