AIM To evaluate the agreement of multichannel intraluminal impedance-p H monitoring(MII-p HM) and gastroesophageal reflux scintigraphy(GES) for the diagnosis of gastroesophageal reflux disease. METHODS Seventy-five co...AIM To evaluate the agreement of multichannel intraluminal impedance-p H monitoring(MII-p HM) and gastroesophageal reflux scintigraphy(GES) for the diagnosis of gastroesophageal reflux disease. METHODS Seventy-five consecutive patients with suspectedgastroesophageal reflux disease(GERD) underwent 24-h combined MII-p HM recording and one hour radionuclide scintigraphy during the course of the MIIpH M study. Catheters with 6 impedance channels and 1 p H sensor were placed transnasally. Impedance and p H data analysis were performed automatically and manually. For impedance monitoring, reflux was defined as a retrograde 50% drop in impedance, starting distally and propagating retrogradely to at least the next two more proximal measuring channels. Reflux index(RI, percentage of the entire record that esophageal p H is < 4.0) greater than 4.2% for p HM and number of refluxes more than 50 for 24 h for MII were accepted as positive test results. At scintigraphy, 240 frames of 15 seconds duration were acquired in the supine position. Gastroesophageal reflux was defined as at least one reflux episode in the esophagus. After scintigraphic evaluation, impedance-pH recordings and scintigraphic images were evaluated together and agreement between tests were evaluated with Cohen's kappa.RESULTS Sufficient data was obtained from 60(80%) patients(34 male, 56.7%) with a mean age of 8.7 ± 3.7 years(range: 2.5-17.3 years; median: 8.5 years). Chronic cough, nausea, regurgitation and vomiting were the most frequent symptoms. The mean time for recording of MII-pH M was 22.8 ± 2.4 h(range: 16-30 h; median: 22.7 h). At least one test was positive in 57(95%) patients. According to diagnostic criteria, GERD was diagnosed in 34(57.7%), 44(73.3%), 47(78.3%) and 51(85%) patients by means of p HM, MII, GES and MII-p HM, respectively. The observed percentage agreements/κ values for GES and p HM, GES and MII, GES and MII-p HM, and MII and p HM are 48.3%/-0.118; 61.7%/-0.042; 73.3%/0.116 and 60%/0.147, respectively. There was no or slight agreement between GES and p HM alone, MII alone or MII-p HM. p H monitoring alone missed 17 patients compared to combined MII-p HM. The addition of MII to pH monitoring increased the diagnosis rate by 50%.CONCLUSION No or slight agreement was found among p H monitoring, MII monitoring, MII-pH monitoring and GES for the diagnosis of gastroesophageal reflux disease.展开更多
目的探讨食管测压联合食管24 h pH监测对胃食管反流相关性胸痛的诊断价值。方法选取通辽市医院2017年6月至2021年12月接收的疑似胃食管反流引起的相关性胸痛患者145例,男92例,女53例,采用食管测压联合食管24 h pH进行监测,以是否胃食管...目的探讨食管测压联合食管24 h pH监测对胃食管反流相关性胸痛的诊断价值。方法选取通辽市医院2017年6月至2021年12月接收的疑似胃食管反流引起的相关性胸痛患者145例,男92例,女53例,采用食管测压联合食管24 h pH进行监测,以是否胃食管反流分为胃食管反流组与无反流组。收集两组患者的年龄、性别、蠕动收缩百分数、pH<4反流次数、最长反流持续时间等资料,采用t、χ2检验进行统计比较,通过多因素logistic回归分析、受试者工作特征曲线(ROC)分析上述指标与胃食管反流相关性胸痛的相关性。结果145例疑似胃食管反流相关性胸痛患者,经诊断为胃食管返流36例,无返流109例。经多因素logistic回归分析发现,蠕动收缩百分数、pH<4反流次数、最长反流持续时间均是胃食管反流引起的相关性胸痛的影响因素[比值比(OR)=3.155、2.998、3.459,P=0.003、0.012、0.001]。经ROC分析,食管测压、pH<4反流次数、最长反流持续时间联合预测胃食管反流引起的相关性胸痛的灵敏度与曲线下面积(AUC)均高于各指标单独预测时(P=0.001、0.001、0.004),联合预测的特异度与各指标单独预测时差异无统计学意义(P=0.852)。结论食管测压联合食管24 h pH监测对于胃食管反流引起的相关性胸痛的诊断、治疗具有重要意义,值得临床推广应用。展开更多
AIM:To investigate the relationship between reflux and body mass index(BMI) in the asymptomatic obese population using the impedance-p H technique.METHODS:Gastroesophageal reflux is frequent in the obese population.Ho...AIM:To investigate the relationship between reflux and body mass index(BMI) in the asymptomatic obese population using the impedance-p H technique.METHODS:Gastroesophageal reflux is frequent in the obese population.However,the relationship between acid reflux and BMI in asymptomatic obese people is unclear.Forty-six obese(BMI > 25 kg/m2) people were enrolled in this prospective study.We evaluated the demographic findings and 24-h impedance p H values of the whole group.Gas,acid(p H < 4),weak acid(p H = 4-7) and weak alkaline(p H ≥ 7) reflux parameters were analyzed.RESULTS:The mean age of patients was 49.47±12.24 years,and half of them were men.The mean BMI was 30.64±3.95 kg/m2(25.14-45.58 kg/m2).BMI of 23 was over 30 kg/m2.Seventeen patients had a comorbidity(hypertension,diabetes mellitus,or ischemic heart disease).Endoscopic examination revealed esophagitis in 13 of the 28 subjects(10Grade A,3 Grade B).The subjects were divided into two groups according to BMI(<30 and>30 kg/m2).Demographic and endoscopic findings,and impedance results were similar in these two groups.However,there was a positive correlation between BMI and total and supine p H<4 episodes(P=0.002,r=0.414;P=0.000,r=0.542),p H<4 reflux time(P=0.015,r=0.319;P=0.003,r=0.403),and De Meester score(P=0.012,r=0.333).CONCLUSION:Acid reflux is correlated with BMI in asymptomatic obese individuals.展开更多
AIM To compare the outcomes between laparoscopic Nissen fundoplication(LNF)and proton pump inhibitors(PPIs)therapy in patients with laryngopharyngeal reflux(LPR)and typeⅠhiatal hernia diagnosed by oropharyngeal p H-m...AIM To compare the outcomes between laparoscopic Nissen fundoplication(LNF)and proton pump inhibitors(PPIs)therapy in patients with laryngopharyngeal reflux(LPR)and typeⅠhiatal hernia diagnosed by oropharyngeal p H-monitoring and symptom-scale assessment.METHODS From February 2014 to January 2015,70 patients who were diagnosed with LPR and type I hiatal hernia and referred for symptomatic assessment,oropharyngeal p H-monitoring,manometry,and gastrointestinal endoscopy were enrolled in this study.All of the patients met the inclusion criteria.All of the patients underwent LNF or PPIs administration,and completed a2-year follow-up.Patients’baseline characteristics and primary outcome measures,including comprehensive and single symptoms of LPR,PPIs independence,and satisfaction,and postoperative complications were assessed.The outcomes of LNF and PPIs therapy were analyzed and compared. RESULTS There were 31 patients in the LNF group and 39patients in the PPI group.Fifty-three patients(25 in the LNF group and 28 in the PPI group)completed reviews and follow-up.Oropharyngeal p H-monitoring parameters were all abnormal with high acid exposure,a large amount of reflux,and a high Ryan score,associated reflux symptom index(RSI)score.There was a significant improvement in the RSI and LPR symptom scores after the 2-year follow-up in both groups(P<0.05),as well as typical symptoms of gastroesophageal reflux disease.Improvement in the RSI(P<0.005)and symptom scores of cough(P=0.032),mucus(P=0.011),and throat clearing(P=0.022)was significantly superior in the LNF group to that in the PPI group.After LNF and PPIs therapy,13 and 53 patients achieved independence from PPIs therapy(LNF:44.0%vs PPI:7.14%,P<0.001)during follow-up,respectively.Patients in the LNF group were more satisfied with their quality of life than those in the PPI group(LNF:62.49±28.68 vs PPI:44.36±32.77,P=0.004).Body mass index was significantly lower in the LNF group than in the PPI group(LNF:22.2±3.1kg/m^2 vs PPI:25.1±2.9 kg/m^2,P=0.001).CONCLUSION Diagnosis of LPR should be assessed with oropharyngeal p H-monitoring,manometry,and the symptom-scale.LNF achieves better improvement than PPIs for LPR with type I hiatal hernia.展开更多
目的应用24 h pH阻抗监测技术分析胃食管反流性咳嗽(gastroesophageal reflux cough,GERC)患者的反流特点,探讨GERC的发病机制。方法选取慢性咳嗽患者116例,根据24 h pH阻抗监测结果和抗反流治疗结果将符合GERC诊断标准患者定为GERC组,...目的应用24 h pH阻抗监测技术分析胃食管反流性咳嗽(gastroesophageal reflux cough,GERC)患者的反流特点,探讨GERC的发病机制。方法选取慢性咳嗽患者116例,根据24 h pH阻抗监测结果和抗反流治疗结果将符合GERC诊断标准患者定为GERC组,选取健康志愿者30例设为对照组。比较两组pH阻抗联合监测结果。结果根据24 h pH阻抗监测结果和抗反流治疗结果符合GERC诊断标准的患者共有96例,其中28例患者合并弱酸反流异常,12例患者合并弱碱反流异常。GERC组24 h食管pH监测的6项参数及De Meester评分均高于对照组,差异均有统计学意义(P<0.01)。与对照组相比,GERC组24 h食管阻抗监测近端反流次数,气体反流、液体反流及混合反流次数,酸反流、弱酸反流、弱碱反流次数差异均有统计学意义(P<0.01);GERC患者总反流次数、总弱酸反流次数与总弱碱反流次数与SAP呈正相关(P<0.05)。结论 GERC患者存在反流物理性质和酸碱性方面的反流异常,直立位反流较卧位明显。GERC患者存在两种不同类型的发病机制,以低位反流为主,但57.93%的反流物可至食管近端。24 h食管pH阻抗监测是诊断GERC的可靠方法,在临床上具有较好的应用前景。展开更多
AIM:To evaluate pre-lung transplant acid reflux on p H-testing vs corresponding bolus reflux on multichannel intraluminal impedance(MII) to predict early allograft injury.METHODS:This was a retrospective cohort study ...AIM:To evaluate pre-lung transplant acid reflux on p H-testing vs corresponding bolus reflux on multichannel intraluminal impedance(MII) to predict early allograft injury.METHODS:This was a retrospective cohort study of lung transplant recipients who underwent pretransplant combined MII-p H-testing at a tertiary care center from January 2007 to November 2012. Patients with pre-transplant fundoplication were excluded. Time-to-event analysis was performed using a Cox proportional hazards model to assess associations between measures of reflux on MII-p H testing and early allograft injury. Area under the receiver operating characteristic(ROC) curve(c-statistic) of the Cox model was calculated to assess the predictive value of each reflux parameter for early allograft injury. Six p H-testing parameters and their corresponding MIImeasures were specified a priori. The p H parameters were upright,recumbent,and overall acid reflux exposure; elevated acid reflux exposure; total acid reflux episodes; and acid clearance time. The corresponding MII measures were upright,recumbent,and overall bolus reflux exposure; elevated bolus reflux exposure; total bolus reflux episodes; and bolus clearance time.RESULTS:Thirty-two subjects(47% men,mean age:55 years old) met the inclusion criteria of the study. Idiopathic pulmonary fibrosis(46.9%) repres e n t e d t h e m o s t c o m m o n p u l m o n a r y d i a g n o s i s leading to transplantation. Baseline demographics,pre-transplant cardiopulmonary function,number of lungs transplanted(unilateral vs bilateral),and posttransplant proton pump inhibitor use were similar between reflux severity groups. The area under the ROC curve,or c-statistic,of each acid reflux parameter on pre-transplant p H-testing was lower than its bolus reflux counterpart on MII in the prediction of early allograft injury. In addition,the development of early allograft injury was significantly associated with three pre-transplant MII measures of bolus reflux:overall reflux exposure(HR = 1.18,95%CI:1.01-1.36,P = 0.03),recumbent reflux exposure(HR = 1.25,95%CI:1.04-1.50,P = 0.01) and bolus clearance(HR = 1.09,95%CI:1.01-1.17,P = 0.02),but not with any p Htesting parameter measuring acid reflux alone.CONCLUSION:Pre-transplant MII measures of bolus reflux perform better than their p H-testing counterparts in predicting early allograft injury post-lung transplantation.展开更多
目的探讨多通道阻抗联合24 h pH监测在胃食管反流病(gastroesophageal reflux disease,GERD),尤其在pH(-)GERD患者中的应用价值。方法 48例GERD患者应用多通道阻抗联合24 h pH监测,根据Demeester评分分为pH(-)与pH(+),其中pH(-)GERD 30...目的探讨多通道阻抗联合24 h pH监测在胃食管反流病(gastroesophageal reflux disease,GERD),尤其在pH(-)GERD患者中的应用价值。方法 48例GERD患者应用多通道阻抗联合24 h pH监测,根据Demeester评分分为pH(-)与pH(+),其中pH(-)GERD 30例,pH(+)GERD 18例;另相同监测健康大学生志愿者20例做正常对照组。结果 GERD组酸反流次数、卧位食团暴露时间及总食团暴露时间均高于正常对照组,差别有统计学意义(P=0.01,P=0.002,P=0.03);GERD组非酸反流次数低于正常对照组,差别有统计学意义(P=0.002)。pH(-)GERD组卧位食团暴露时间高于正常对照组(P=0.015),pH(-)GERD酸反流次数及卧位食团暴露时间均低于pH(+)GERD,差别有统计学意义(P=0.02,P=0.04)。结论多通道阻抗联合24 h pH监测能发现更多的反流事件,在GERD尤其对pH(-)GERD患者的诊断有实用意义,需进一步研究。展开更多
[目的]研究胃远端部分切除术后患者泌酸功能及其与黏膜病理改变和幽门螺杆菌(Hp)感染的相关性。[方法]采用24 h pH监测仪测定51例残胃患者空腹胃内pH值,根据24 h胃内平均pH值分为低泌酸组(pH≥3)和正常泌酸组(pH<3)。胃镜观察残胃黏...[目的]研究胃远端部分切除术后患者泌酸功能及其与黏膜病理改变和幽门螺杆菌(Hp)感染的相关性。[方法]采用24 h pH监测仪测定51例残胃患者空腹胃内pH值,根据24 h胃内平均pH值分为低泌酸组(pH≥3)和正常泌酸组(pH<3)。胃镜观察残胃黏膜以及Hp检测。[结果]低泌酸组患者35例,其中29例黏膜呈重度萎缩;正常泌酸组16例,其中4例呈重度黏膜炎症(P=0.006)。两组间Hp感染率无明显差异。62.7%的患者胃酸分泌减少,但却接受了抑酸药物治疗。[结论]24 h动态胃pH监测可有效评价残胃患者胃黏膜泌酸功能。残胃炎程度与黏膜泌酸功能有明显相关性。展开更多
基金Supported by the Scientific and Technological Research Council of Turkey,No.106S191-SBAG-3439
文摘AIM To evaluate the agreement of multichannel intraluminal impedance-p H monitoring(MII-p HM) and gastroesophageal reflux scintigraphy(GES) for the diagnosis of gastroesophageal reflux disease. METHODS Seventy-five consecutive patients with suspectedgastroesophageal reflux disease(GERD) underwent 24-h combined MII-p HM recording and one hour radionuclide scintigraphy during the course of the MIIpH M study. Catheters with 6 impedance channels and 1 p H sensor were placed transnasally. Impedance and p H data analysis were performed automatically and manually. For impedance monitoring, reflux was defined as a retrograde 50% drop in impedance, starting distally and propagating retrogradely to at least the next two more proximal measuring channels. Reflux index(RI, percentage of the entire record that esophageal p H is < 4.0) greater than 4.2% for p HM and number of refluxes more than 50 for 24 h for MII were accepted as positive test results. At scintigraphy, 240 frames of 15 seconds duration were acquired in the supine position. Gastroesophageal reflux was defined as at least one reflux episode in the esophagus. After scintigraphic evaluation, impedance-pH recordings and scintigraphic images were evaluated together and agreement between tests were evaluated with Cohen's kappa.RESULTS Sufficient data was obtained from 60(80%) patients(34 male, 56.7%) with a mean age of 8.7 ± 3.7 years(range: 2.5-17.3 years; median: 8.5 years). Chronic cough, nausea, regurgitation and vomiting were the most frequent symptoms. The mean time for recording of MII-pH M was 22.8 ± 2.4 h(range: 16-30 h; median: 22.7 h). At least one test was positive in 57(95%) patients. According to diagnostic criteria, GERD was diagnosed in 34(57.7%), 44(73.3%), 47(78.3%) and 51(85%) patients by means of p HM, MII, GES and MII-p HM, respectively. The observed percentage agreements/κ values for GES and p HM, GES and MII, GES and MII-p HM, and MII and p HM are 48.3%/-0.118; 61.7%/-0.042; 73.3%/0.116 and 60%/0.147, respectively. There was no or slight agreement between GES and p HM alone, MII alone or MII-p HM. p H monitoring alone missed 17 patients compared to combined MII-p HM. The addition of MII to pH monitoring increased the diagnosis rate by 50%.CONCLUSION No or slight agreement was found among p H monitoring, MII monitoring, MII-pH monitoring and GES for the diagnosis of gastroesophageal reflux disease.
文摘目的探讨食管测压联合食管24 h pH监测对胃食管反流相关性胸痛的诊断价值。方法选取通辽市医院2017年6月至2021年12月接收的疑似胃食管反流引起的相关性胸痛患者145例,男92例,女53例,采用食管测压联合食管24 h pH进行监测,以是否胃食管反流分为胃食管反流组与无反流组。收集两组患者的年龄、性别、蠕动收缩百分数、pH<4反流次数、最长反流持续时间等资料,采用t、χ2检验进行统计比较,通过多因素logistic回归分析、受试者工作特征曲线(ROC)分析上述指标与胃食管反流相关性胸痛的相关性。结果145例疑似胃食管反流相关性胸痛患者,经诊断为胃食管返流36例,无返流109例。经多因素logistic回归分析发现,蠕动收缩百分数、pH<4反流次数、最长反流持续时间均是胃食管反流引起的相关性胸痛的影响因素[比值比(OR)=3.155、2.998、3.459,P=0.003、0.012、0.001]。经ROC分析,食管测压、pH<4反流次数、最长反流持续时间联合预测胃食管反流引起的相关性胸痛的灵敏度与曲线下面积(AUC)均高于各指标单独预测时(P=0.001、0.001、0.004),联合预测的特异度与各指标单独预测时差异无统计学意义(P=0.852)。结论食管测压联合食管24 h pH监测对于胃食管反流引起的相关性胸痛的诊断、治疗具有重要意义,值得临床推广应用。
文摘AIM:To investigate the relationship between reflux and body mass index(BMI) in the asymptomatic obese population using the impedance-p H technique.METHODS:Gastroesophageal reflux is frequent in the obese population.However,the relationship between acid reflux and BMI in asymptomatic obese people is unclear.Forty-six obese(BMI > 25 kg/m2) people were enrolled in this prospective study.We evaluated the demographic findings and 24-h impedance p H values of the whole group.Gas,acid(p H < 4),weak acid(p H = 4-7) and weak alkaline(p H ≥ 7) reflux parameters were analyzed.RESULTS:The mean age of patients was 49.47±12.24 years,and half of them were men.The mean BMI was 30.64±3.95 kg/m2(25.14-45.58 kg/m2).BMI of 23 was over 30 kg/m2.Seventeen patients had a comorbidity(hypertension,diabetes mellitus,or ischemic heart disease).Endoscopic examination revealed esophagitis in 13 of the 28 subjects(10Grade A,3 Grade B).The subjects were divided into two groups according to BMI(<30 and>30 kg/m2).Demographic and endoscopic findings,and impedance results were similar in these two groups.However,there was a positive correlation between BMI and total and supine p H<4 episodes(P=0.002,r=0.414;P=0.000,r=0.542),p H<4 reflux time(P=0.015,r=0.319;P=0.003,r=0.403),and De Meester score(P=0.012,r=0.333).CONCLUSION:Acid reflux is correlated with BMI in asymptomatic obese individuals.
文摘AIM To compare the outcomes between laparoscopic Nissen fundoplication(LNF)and proton pump inhibitors(PPIs)therapy in patients with laryngopharyngeal reflux(LPR)and typeⅠhiatal hernia diagnosed by oropharyngeal p H-monitoring and symptom-scale assessment.METHODS From February 2014 to January 2015,70 patients who were diagnosed with LPR and type I hiatal hernia and referred for symptomatic assessment,oropharyngeal p H-monitoring,manometry,and gastrointestinal endoscopy were enrolled in this study.All of the patients met the inclusion criteria.All of the patients underwent LNF or PPIs administration,and completed a2-year follow-up.Patients’baseline characteristics and primary outcome measures,including comprehensive and single symptoms of LPR,PPIs independence,and satisfaction,and postoperative complications were assessed.The outcomes of LNF and PPIs therapy were analyzed and compared. RESULTS There were 31 patients in the LNF group and 39patients in the PPI group.Fifty-three patients(25 in the LNF group and 28 in the PPI group)completed reviews and follow-up.Oropharyngeal p H-monitoring parameters were all abnormal with high acid exposure,a large amount of reflux,and a high Ryan score,associated reflux symptom index(RSI)score.There was a significant improvement in the RSI and LPR symptom scores after the 2-year follow-up in both groups(P<0.05),as well as typical symptoms of gastroesophageal reflux disease.Improvement in the RSI(P<0.005)and symptom scores of cough(P=0.032),mucus(P=0.011),and throat clearing(P=0.022)was significantly superior in the LNF group to that in the PPI group.After LNF and PPIs therapy,13 and 53 patients achieved independence from PPIs therapy(LNF:44.0%vs PPI:7.14%,P<0.001)during follow-up,respectively.Patients in the LNF group were more satisfied with their quality of life than those in the PPI group(LNF:62.49±28.68 vs PPI:44.36±32.77,P=0.004).Body mass index was significantly lower in the LNF group than in the PPI group(LNF:22.2±3.1kg/m^2 vs PPI:25.1±2.9 kg/m^2,P=0.001).CONCLUSION Diagnosis of LPR should be assessed with oropharyngeal p H-monitoring,manometry,and the symptom-scale.LNF achieves better improvement than PPIs for LPR with type I hiatal hernia.
文摘目的应用24 h pH阻抗监测技术分析胃食管反流性咳嗽(gastroesophageal reflux cough,GERC)患者的反流特点,探讨GERC的发病机制。方法选取慢性咳嗽患者116例,根据24 h pH阻抗监测结果和抗反流治疗结果将符合GERC诊断标准患者定为GERC组,选取健康志愿者30例设为对照组。比较两组pH阻抗联合监测结果。结果根据24 h pH阻抗监测结果和抗反流治疗结果符合GERC诊断标准的患者共有96例,其中28例患者合并弱酸反流异常,12例患者合并弱碱反流异常。GERC组24 h食管pH监测的6项参数及De Meester评分均高于对照组,差异均有统计学意义(P<0.01)。与对照组相比,GERC组24 h食管阻抗监测近端反流次数,气体反流、液体反流及混合反流次数,酸反流、弱酸反流、弱碱反流次数差异均有统计学意义(P<0.01);GERC患者总反流次数、总弱酸反流次数与总弱碱反流次数与SAP呈正相关(P<0.05)。结论 GERC患者存在反流物理性质和酸碱性方面的反流异常,直立位反流较卧位明显。GERC患者存在两种不同类型的发病机制,以低位反流为主,但57.93%的反流物可至食管近端。24 h食管pH阻抗监测是诊断GERC的可靠方法,在临床上具有较好的应用前景。
文摘AIM:To evaluate pre-lung transplant acid reflux on p H-testing vs corresponding bolus reflux on multichannel intraluminal impedance(MII) to predict early allograft injury.METHODS:This was a retrospective cohort study of lung transplant recipients who underwent pretransplant combined MII-p H-testing at a tertiary care center from January 2007 to November 2012. Patients with pre-transplant fundoplication were excluded. Time-to-event analysis was performed using a Cox proportional hazards model to assess associations between measures of reflux on MII-p H testing and early allograft injury. Area under the receiver operating characteristic(ROC) curve(c-statistic) of the Cox model was calculated to assess the predictive value of each reflux parameter for early allograft injury. Six p H-testing parameters and their corresponding MIImeasures were specified a priori. The p H parameters were upright,recumbent,and overall acid reflux exposure; elevated acid reflux exposure; total acid reflux episodes; and acid clearance time. The corresponding MII measures were upright,recumbent,and overall bolus reflux exposure; elevated bolus reflux exposure; total bolus reflux episodes; and bolus clearance time.RESULTS:Thirty-two subjects(47% men,mean age:55 years old) met the inclusion criteria of the study. Idiopathic pulmonary fibrosis(46.9%) repres e n t e d t h e m o s t c o m m o n p u l m o n a r y d i a g n o s i s leading to transplantation. Baseline demographics,pre-transplant cardiopulmonary function,number of lungs transplanted(unilateral vs bilateral),and posttransplant proton pump inhibitor use were similar between reflux severity groups. The area under the ROC curve,or c-statistic,of each acid reflux parameter on pre-transplant p H-testing was lower than its bolus reflux counterpart on MII in the prediction of early allograft injury. In addition,the development of early allograft injury was significantly associated with three pre-transplant MII measures of bolus reflux:overall reflux exposure(HR = 1.18,95%CI:1.01-1.36,P = 0.03),recumbent reflux exposure(HR = 1.25,95%CI:1.04-1.50,P = 0.01) and bolus clearance(HR = 1.09,95%CI:1.01-1.17,P = 0.02),but not with any p Htesting parameter measuring acid reflux alone.CONCLUSION:Pre-transplant MII measures of bolus reflux perform better than their p H-testing counterparts in predicting early allograft injury post-lung transplantation.
文摘目的探讨多通道阻抗联合24 h pH监测在胃食管反流病(gastroesophageal reflux disease,GERD),尤其在pH(-)GERD患者中的应用价值。方法 48例GERD患者应用多通道阻抗联合24 h pH监测,根据Demeester评分分为pH(-)与pH(+),其中pH(-)GERD 30例,pH(+)GERD 18例;另相同监测健康大学生志愿者20例做正常对照组。结果 GERD组酸反流次数、卧位食团暴露时间及总食团暴露时间均高于正常对照组,差别有统计学意义(P=0.01,P=0.002,P=0.03);GERD组非酸反流次数低于正常对照组,差别有统计学意义(P=0.002)。pH(-)GERD组卧位食团暴露时间高于正常对照组(P=0.015),pH(-)GERD酸反流次数及卧位食团暴露时间均低于pH(+)GERD,差别有统计学意义(P=0.02,P=0.04)。结论多通道阻抗联合24 h pH监测能发现更多的反流事件,在GERD尤其对pH(-)GERD患者的诊断有实用意义,需进一步研究。
文摘[目的]研究胃远端部分切除术后患者泌酸功能及其与黏膜病理改变和幽门螺杆菌(Hp)感染的相关性。[方法]采用24 h pH监测仪测定51例残胃患者空腹胃内pH值,根据24 h胃内平均pH值分为低泌酸组(pH≥3)和正常泌酸组(pH<3)。胃镜观察残胃黏膜以及Hp检测。[结果]低泌酸组患者35例,其中29例黏膜呈重度萎缩;正常泌酸组16例,其中4例呈重度黏膜炎症(P=0.006)。两组间Hp感染率无明显差异。62.7%的患者胃酸分泌减少,但却接受了抑酸药物治疗。[结论]24 h动态胃pH监测可有效评价残胃患者胃黏膜泌酸功能。残胃炎程度与黏膜泌酸功能有明显相关性。
