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1.

Background  

To evaluate the efficacy and toxicity of CHG regimen (low-dose cytarabine, homoharringtonine with G-CSF priming) as an induction chemotherapy for elderly patients with high-risk MDS or acute myeloid leukemia transformed from MDS (MDS–AML).  相似文献   

2.

Objectives

Erythropoiesis‐stimulating agents (ESAs) remain first‐choice to treat symptomatic anemia and delay transfusion dependence in most patients with lower‐risk myelodysplastic syndromes (MDS) without del(5q). Deferasirox increased erythroid responses in some lower‐risk MDS patients in clinical trials, and adding low‐dose deferasirox to ESA treatment may further improve erythroid response.

Methods

KALLISTO ( NCT01868477 ) was a randomized, open‐label, multicenter, phase II study. Lower‐risk MDS patients received deferasirox at 10 mg/kg/d (dispersible tablets) or 7 mg/kg/d (film‐coated tablets) plus erythropoietin (n = 11), or erythropoietin alone (n = 12) for 24 weeks. The primary endpoint was the between‐group difference in erythroid response within 12 weeks.

Results

Erythroid response occurred in 27.3% of patients receiving deferasirox plus erythropoietin vs 41.7% of patients receiving erythropoietin alone within 12 weeks (difference 14.4%; 95% CI −24.0, 48.16). Within 24 weeks, the hematologic response rate was 27.3% with deferasirox plus erythropoietin vs 50% with erythropoietin alone, and hematologic improvement rates were 45.5% vs 100%. Deferasirox plus erythropoietin was generally well tolerated.

Conclusions

In this small pilot study, combining low‐dose deferasirox with erythropoietin did not improve erythroid response. It remains of interest to investigate early chelation approaches with even lower deferasirox doses plus erythropoietin in lower‐risk MDS patients before the onset of transfusion dependence.
  相似文献   

3.

Background

Myelodysplastic syndromes (MDS) are mainly a disease of the elderly. Commonly, MDS patients are treated in an outpatient setting making hematological/oncological private practices (PP) an important backbone in the management of MDS patients.

Methods

To gain more insights into the characteristics of patients with MDS treated in hematological/oncological PP and to evaluate the daily diagnostic routines and classification systems used, we performed questionnaire-based analyses. Moreover, to investigate whether characteristics of MDS in PP differ from patients treated in specialized MDS centers in university hospitals (UH), we compared both cohorts of MDS patients.

Results

In total, 197 patients in PP and 165 patients in UH were enrolled. Patients in UH were significantly younger as compared to PP. Furthermore, in UH, a greater proportion of patients with international prognostic scoring system (IPSS) higher risk were found, whereas patients with IPSS lower risk were more frequent in PP. In addition, patients in UH had significantly lower hemoglobin levels and platelet counts compared to PP.

Conclusion

Our data show that PP and UH are approached by different MDS patient cohorts resulting in different diagnostic workups of MDS patients.  相似文献   

4.

Background

Myelodysplastic syndrome (MDS) is a clinical condition with pancytopenia, dysfunction of neutrophils and poor prognosis caused by dysplasia of the bone marrow. MDS patients tend to have other malignant diseases, and the treatment is complicated because of high morbidity and mortality. Moreover, esophageal cancer is one of the most aggressive cancers, and its surgical treatment has high morbidity.

Methods

Among 450 patients with esophageal cancer who underwent surgical treatment, 4 (0.8 %) had MDS. We describe esophageal cancer patients with MDS who underwent radical surgical treatment and estimate the perioperative management and postoperative outcome.

Results

Two patients underwent transhiatal resection involving lower esophagectomy and proximal gastrectomy, and two other patients underwent thoracoscopic thoracoabdominal resection. Important critical points for the surgical treatment of esophageal cancer patients with MDS were as follows: hematological examination for patients with cytopenia, surgical indication for patients with WHO classification of RA or RARS and IPSS of low or intermediate-1 risk, planning transfusions for patients with thrombocytopenia, expecting postoperative complications such as pneumonia or bleeding, and careful follow-up for the early detection of relapse of disease.

Conclusion

With careful management, we were able to treat esophageal cancer patients with MDS surgically.  相似文献   

5.
Background and aimsHow Mediterranean-style diets impact cardiovascular and health outcomes in patients with diabetes and chronic kidney disease (CKD) is not well known. Our aim was to investigate the association between diet quality, using Mediterranean Diet Scores (MDS) and health outcomes.Methods and resultsThis is a post-hoc analysis of an RCT and longitudinal study investigating patients with diabetes and CKD. MDS was calculated annually. Scores were analyzed for correlation with lipids, HbA1c, serum potassium, health-related quality of life (HRQOL) and depression. 178 diet records from 50 patients who attended two or more visits were included. Mean MDS was moderate (4.1 ± 1.6) and stable over time. Stage 1–2 vs 3–5 CKD had lower raw MDS (3.8 ± 1.5 vs 4.6 ± 1.5, p < 0.001). Having hyperkalemia was associated with a lower raw MDS scores (3.6 ± 1.6 vs 4.2 ± 1.5, p = 0.03) but not energy adjusted MDS. MDS was not associated with HbA1c or lipids. High vs low MDS was associated with improved HRQOL (mental health 84.4 ± 14.3 vs 80.3 ± 17.1, p < 0.05; general health 62.6 ± 21.0 vs 56.3 ± 19.8, p < 0.001) and fewer depressive symptoms (9.1 ± 7.4 vs 11.7 ± 10.6, p = 0.01).ConclusionsLow MDS was associated with reduced kidney function and health related quality of life, but not other markers of cardiovascular risk. Further studies are needed to understand the nature and direction of the association between diet quality and disease outcomes in this population.  相似文献   

6.
In patients with myelodysplastic syndromes (MDS), sole 20q deletion [del(20q)] is a recurrent favourable abnormality. We studied additional molecular and cytogenetic lesions and their prognostic impact in 305 MDS patients with del(20q) (229 males/76 females; 29–90 years). All patients were investigated by cytomorphology and chromosome banding analysis (CBA), subsets by fluorescence in situ hybridization, molecular mutation screening, and array comparative genomic hybridization (aCGH). By aCGH (n = 30), the minimal common deleted region (CDR) was flanked by PTPRT (20q13·11) and EYA2 (20q13·12). 210 (68·9%) patients had ‘early MDS’ without blast increase, 95 (31·1%) ‘advanced’ MDS with blast increase (5–19%). Additional chromosomal abnormalities (ACAs) were detected in 88/305 (28·9%) patients. Patients with advanced MDS more frequently had ACAs (= 0·003) and had a higher mean number of ACAs (= 0·020) and of molecular mutations (= 0·060). Spliceosome mutations were frequent (U2AF1: n = 31/155; 20·0%; SRSF2: n = 31/159; 19·5%; SF3B1mut: n = 8/159; 5·0%). ASXL1mut (25/153; 16·3%) were associated with advanced MDS (= 0·001). Presence of ≥3 ACAs (= 0·003) and ASXL1mut (= 0·002) were associated with worse 2‐year survival. In conclusion, the cytogenetic subgroup of MDS with del(20q) has a good prognosis but may be further subclassified by additional cytogenetic and molecular lesions. U2AF1mut is overrepresented in MDS with del(20q), and ASXL1mut is prognostically adverse.  相似文献   

7.

Background and aims

Research has demonstrated that Mediterranean youth appear to abandon the traditional diet. The present study aimed to assess Mediterranean diet (MD) adherence in Greek university students, compared with a non-Mediterranean (Dutch) population.

Methods and results

The MD was assessed through the MD score (MedDietScore, MDS) in 100 nutrition students from Amsterdam and 85 from Thessaloniki. Subjects at both sites demonstrated average MDS, which was higher in the Dutch sample (27.5 ± 3.9) compared to the Greek (26.1 ± 3.4) (p ≤ 0.001). The highest score was observed in Amsterdam (39). Potatoes, non-refined cereals, vegetables and olive oil were more frequently consumed by Dutch students (p ≤ 0.001), but the Greeks demonstrated a higher legume intake (p ≤ 0.05). The Dutch diet comprised 17% protein, 50% carbohydrate and 33% fat, whereas the Greeks consumed 14% protein, 48% carbohydrate and 38% fat (p ≤ 0.001 and p ≤ 0.031 for between-country protein and fat intake, respectively). In Amsterdam, significantly greater amounts of polyunsaturated (PUFA) and monounsaturated (MUFA) fatty acids as a percentage of energy intake (p ≤ 0.001, p ≤ 0.01) were consumed.

Conclusion

The findings indicate that the MD has been transmitted to non-Mediterranean populations, probably as a result of its declared health benefits. However, it is alarming that an average adherence score was demonstrated by the Greek nutrition students and this is indicative of the need for new approaches in transmitting the Mediterranean dietary pattern.  相似文献   

8.

Background

We compared efficacy of and pain felt after biphasic truncated exponential (BTE) and monophasic damped sine (MDS) shocks in patients undergoing external cardioversion of atrial fibrillation (AF).

Methods

Patients with AF were randomized to BTE or MDS waveform cardioversion. Successive shocks were delivered at 70, 100, 200, and 360 J until successful cardioversion, with one 360 J attempt of the alternate waveform when all 4 shocks failed. Success was determined by blinded over-read of electrocardiograms. Peak current was calculated from energy and impedance. Patients rated their pain at 1 and 24 hours after cardioversion.

Results

Fourteen of 37 (38%) patients treated with MDS and 34 of 35 (97%) treated with BTE shocks were cardioverted at ≤200 J (P < .0001). Success rates of MDS versus BTE shocks were 5.4% versus 60% for 70 J, 19% versus 80% for ≤100 J, and 86% versus 97% for ≤360 J. BTE shocks cardioverted with less peak current (14.0 ± 4.3 vs 39.5 ± 11.2 A, P < .0001), less energy (97 ± 47 vs 278 ± 120 J, P < .0001), and less cumulative energy (146 ± 116 vs 546 ± 265 J, P < .0001). Patients felt less pain after BTE than MDS shocks at 1 hour (P < .0001) and 24 hours (P < .0001) after cardioversion.

Conclusion

This BTE waveform is superior to the MDS waveform for cardioversion of AF, requiring much less energy and current, and causing less postprocedural pain.  相似文献   

9.

Background

Although type 2 diabetes mellitus (T2DM) individuals easily develop three-vessel disease (3VD) coronary artery disease (CAD), there is very little information available about their left ventricle (LV) functions. The purpose of this study is to evaluate the LV function using two-dimensional speckle tracking echocardiography (2-D STE) in T2DM patients with 3VD.

Methods

One hundred and three consecutive patients with confirmed 3VD CAD were enrolled and divided into two groups, while 53 patients with DM and 50 patients without. The control group was composed of 30 age- and sex-matched healthy individuals. All patients underwent 2-D STE and standard echocardiograms. The durations of DM and the level of HbA1c were also recorded.

Result

Between the 3VD-DM and 3VD-non-DM groups, normal echocardiography did not reveal any appreciable differences. However, patients with 3VD-DM had significantly lower global longitudinal strain (GLS) than those with 3VD-non-DM (15.87 ± 2.51 vs.17.56 ± 2.72, p < .05) by 2-D STE strain measurement. Besides, patients whose duration of DM excess 5 years showed significant lower GLS than those with less than 5 years duration (14.25 ± 2.31 vs. 16.65 ± 1.96, p = .007). However, there was no difference in GLS between the 3VD-DM patients with HbA1c ≥ 7% and HbA1c < 7%.

Conclusions

Compared to patients with 3VD alone, those with 3VD-DM have a lower cardiac function. In 3VD-DM patients, the duration of DM is a significant factor that contributes to cardiac function deterioration, whereas, the glucose control state has limited influence.  相似文献   

10.
Trisomy 8 is the most common chromosomal gain in myelodysplastic syndromes (MDS), however, little is known about the features of MDS with isolated trisomy 8 and the influence of additional cytogenetic aberrations. We determined the characteristics and prognostic factors of 72 patients with trisomy 8 as a single anomaly and analysed also the impact of other aberrations added to trisomy 8 in another 62 patients. According to our study, MDS with isolated trisomy 8 was more frequent in men, with more than one cytopenia in most patients (62%) and having about 4% bone marrow blasts. The multivariate analysis demonstrated that platelet count and percentage bone marrow blasts had the strongest impact on overall survival (OS). The median OS for isolated trisomy 8, trisomy 8 plus one aberration (tr8 + 1), plus two (tr8 + 2) and plus three or more aberrations (tr8 + ≥3) was 34·3, 40, 23·4 and 5·8 months, respectively (P < 0·001). Trisomy 8 confers a poorer prognosis than a normal karyotype in MDS patients with ≥5% bone marrow blasts. This study supports the view that MDS with isolated trisomy 8 should be included in the intermediate cytogenetic risk group.  相似文献   

11.

Introduction

The pharmacokinetics (PK), efficacy and safety of moroctocog alfa (AF‐CC) have been demonstrated in haemophilia A patients aged ≥6 years.

Aim

These studies aimed to further describe moroctocog alfa (AF‐CC) experience in paediatric patients (<12 years) with severe haemophilia A (FVIII:C < 1%).

Methods

Two prospective, open‐label studies enrolled patients aged <12 years: one study with 37 previously treated patients (PTPs) and another with 23 previously untreated patients (PUPs). All patients initially received 50 IU/kg of moroctocog alfa (AF‐CC) to evaluate either recovery alone, or with other PK parameters (6 to <12 years) before continuing treatment for 100 exposure days (EDs) or 24 months.

Results

At baseline, mean (±SD) recovery ranged between 1.32 ± 0.65 (PUPs aged <2 years) and 2.13 ± 0.82 (PTPs aged 6 to <12 years). The mean (±SD) half‐life was 9.12 ± 1.94 hours in PTPs aged 6 to <12 years. No new safety signals were detected in either study, 2 transient lower titre inhibitors occurred in PTPs while 8 inhibitors (3 low and 5 high titre) were detected in PUPs. Most bleeding episodes resolved with one infusion (94% [893/954]). The annualised bleeding rate (ABR) in the PTP study was 27.5 and 4.2 for patients reporting an on‐demand and routine prophylaxis regimen at baseline, respectively. In the PUP study, the overall ABR was 5.9.

Conclusion

Moroctocog alfa (AF‐CC) had expected PK findings (lower recovery in young children compared with older children) along with being safe and efficacious in a population of young severe haemophilia A patients.  相似文献   

12.

Background

Few studies have evaluated the impact of subclinical microstructural changes and psychosocial factors on cognitive function in patients with haemophilia.

Objectives

To determine the prevalence and characteristics of cognitive impairment in patients with haemophilia, and identify associated risk factors.

Methods

We recruited haemophilia A or B patients who were aged ≥10 years old from three public hospitals in Hong Kong. A neurocognitive battery was administered to evaluate their attention, memory, processing speed and cognitive flexibility performances. They also underwent magnetic resonance imaging to identify cerebral microbleeds. Validated self-reported questionnaires were administered to assess their mental health status and adherence to prophylactic treatment. General linear modelling was used to investigate the association of neurocognitive outcomes with risks factors, adjusting for age and education attainment.

Results

Forty-two patients were recruited (median age 32.0 years; 78.6% haemophilia A; 80.9% moderate-to-severe disease). Six patients (14.3%) had developed cerebral microbleeds. A subgroup of patients demonstrated impairments in cognitive flexibility (30.9%) and motor processing speed (26.2%). Hemarthrosis in the previous year was associated with worse attention (Estimate = 7.62, 95% CI: 1.92–15.33; p = .049) and cognitive flexibility (Estimate = 8.64, 95% CI: 2.52–13.29; p = .043). Depressive (Estimate = 0.22, 95% CI: 0.10–0.55; p = .023) and anxiety (Estimate = 0.26, 95% CI: 0.19–0.41; p = .0069) symptoms were associated with inattentiveness. Among patients receiving prophylactic treatment (71.4%), medication adherence was positively correlated with cognitive flexibility (p = .037).

Conclusion

A substantial proportion of patients with haemophilia demonstrated cognitive impairment, particularly higher-order thinking skills. Screening for cognitive deficits should be incorporated into routine care. Future studies should evaluate the association of neurocognitive outcomes with occupational/vocational outcomes.  相似文献   

13.
Iron chelation is controversial in higher risk myelodysplastic syndromes (HR‐MDS), outside the allogeneic transplant setting. We conducted a retrospective, multicentre study in 51 patients with transfusion‐dependent, intermediate‐to‐very high risk MDS, according to the revised international prognostic scoring system, treated with the oral iron chelating agent deferasirox (DFX). Thirty‐six patients (71%) received azacitidine concomitantly. DFX was given at a median dose of 1000 mg/day (range 375–2500 mg) for a median of 11 months (range 0·4–75). Eight patients (16%) showed grade 2–3 toxicities (renal or gastrointestinal), 4 of whom (8%) required drug interruption. Median ferritin levels decreased from 1709 μg/l at baseline to 1100 μg/l after 12 months of treatment (P = 0·02). Seventeen patients showed abnormal transaminase levels at baseline, which improved or normalized under DFX treatment in eight cases. One patient showed a remarkable haematological improvement. At a median follow up of 35·3 months, median overall survival was 37·5 months. The results of this first survey of DFX in HR‐MDS are comparable, in terms of safety and efficacy, with those observed in lower‐risk MDS. Though larger, prospective studies are required to demonstrate real clinical benefits, our data suggest that DFX is feasible and might be considered in a selected cohort of HR‐MDS patients.  相似文献   

14.
15.

Aims/Introduction

Polycystic ovary syndrome (PCOS) is a heterogeneous disorder including polycystic ovary morphology (PCOM), ovulatory dysfunction and hyperandrogenism. PCOS is frequently associated with type 2 diabetes mellitus; however, it is unknown whether PCOM and PCOS are prevalent in Japanese patients with type 1 diabetes mellitus. The purpose of our study was to determine the frequency of PCOM and PCOS in women with type 1 diabetes mellitus.

Materials and Methods

We evaluated clinical, hormonal and ovarian ultrasound data from 21 type 1 diabetes mellitus patients whose average glycated hemoglobin levels were 7.9 ± 1.5%.

Results

Ultrasound identified PCOM in 11 patients (52.4%) and these patients also had higher levels of the androgen dehydroepiandrosterone sulfate (DHEA‐S) than those without PCOM (P < 0.05). Of the patients with PCOM, five presented menstrual irregularities (45.5%) and three met the Japanese criteria for PCOS (27.2%); whereas all patients without PCOM had a normal menstrual cycle (P < 0.05).

Conclusions

Japanese premenopausal women with type 1 diabetes mellitus had a high frequency of PCOM as well as PCOS. This is the first research of this area carried out in an Asian population.  相似文献   

16.

Background

The assessment of clinical history is crucial before referring a patient for further laboratory testing. Bleeding assessment tools (BAT) are developed to standardize clinical evaluation. A small number of patients with congenital fibrinogen deficiencies (CFDs) have been evaluated with these tools without definitive results.

Aims

We compared the adequacy of the ISTH-BAT and the European network of rare bleeding disorders bleeding score system (EN-RBD-BSS) to identify patients with CFDs. The correlation between the two BATs and fibrinogen levels and patient clinical grade severity was further analyzed.

Methods

We included 100 Iranian patients with CFDs. Routine coagulation and fibrinogen-specific tests (fibrinogen antigen [Fg:Ag] and activity [Fg:C]) were performed. The ISTH-BAT and EN-RBD-BSS were used to assess the bleeding score (BS) of all patients.

Results

The ISTH-BAT and EN-RBD-BSS median (range) were 4 (0–16) and 2.21 (−1.49 to 6.71), with a statistically significant moderate correlation between the two systems (r = .597, P < .001). In patients with quantitative deficiencies (afibrinogenemia and hypofibrinogenemia), the correlation between Fg:C and the ISTH-BAT was moderately negative (r = −.4, P < .001), while the correlation between Fg:C and the EN-RBD-BSS was weakly negative (r = −.38, P < .001). Overall, 70% and 72% of patients with fibrinogen deficiencies were correctly identified by both the ISTH-BAT and EN-RBD-BSS, respectively.

Conclusion

These results suggest that in addition to the ISTH-BAT, the EN-RBD-BSS may also be useful in identifying CFD patients. We found a significant level of sensitivity for detecting fibrinogen deficiency in the two BATs, and bleeding severity classification correctly identified severity grades in almost two-thirds of patients.  相似文献   

17.

Objectives

A recent review of ultrasound (US) studies in osteoarthritis (OA) showed very limited data about hand OA. Previous US studies in patients with OA described a degree of overlap between the US appearance of rheumatoid arthritis (RA) and OA joints. The present study aimed to assess the US features of subclinical inflammation in RA and hand OA, using the same US examination protocol.

Methods

A retrospective, cohort study compared patients with established RA (n = 224) and hand OA (n = 73), with respect to several demographic, clinical, laboratory and US parameters. We used a 22‐hand joint US examination protocol (wrists, metacarpophalangeal and proximal interphalangeal joints bilaterally – Outcome Measures in Rheumatology Clinical Trials [OMERACT] scoring system) for all patients.

Results

Subclinical joint inflammation in the context of equivocal clinical examination was found in 9.6% of OA patients compared with 46.4% of RA patients (p = 0.0001), despite the fact that there was no significant difference between the degree of chronic joint swelling (synovial hypertrophy grades 2 and 3; p = 0.75 and p = 0.11, respectively). The presence of osteophytes was more common in patients with hand OA, as expected (p = 0.0001).

Conclusions

Our study findings reflected differences between the incidence and characteristics of subclinical inflammation in patients with RA and OA, which could be helpful in patients with an equivocal clinical examination or history of both diseases. Almost one in 10 patients with hand OA had active synovitis, while almost one in two patients with RA had uncontrolled inflammation in at least one joint.  相似文献   

18.

Introduction

The significance of high precordial electrocardiograms in idiopathic ventricular fibrillation (IVF) is unknown.

Method

This study included 50 consecutive patients (48 men; age, 42 ± 18 years) who had spontaneous ventricular fibrillation not linked to structural heart disease and received implantable cardiac defibrillator therapy. IVF was diagnosed in 35 patients and Brugada syndrome was diagnosed in other 15 patients. Electrocardiograms in high intercostal space were compared between 35 patients with IVF and 105 age- and sex-matched healthy controls (patient: control ratio, 1:3).

Results

The frequency of J point elevation ≥ 0.1 mV in the 4th intercostal spaces was similar between patients with IVF (14%) and healthy controls (7%). However, the frequency of J point elevation ≥ 0.1 mV in the 3rd intercostal space was higher in patients with IVF (40%) than controls (11%) (p < .01). J point elevation was present only in the 3rd intercostal space but not in the 4th intercostal space in 30% of patients with IVF but only in 6% of controls (p < .01). During follow-up, the recurrence of ventricular fibrillation was higher in patients with IVF who had J point elevation in the 3rd intercostal space (36%) and Brugada syndrome(40%) than those with IVF who did not have J point elevation in the 3rd intercostal space(11%) (p < .05 for both).

Conclusion

J point elevation in the 3rd intercostal space was associated with IVF and recurrences of ventricular fibrillation. Electrocardiogram recordings in the high intercostal space may be useful to identify risk of sudden death.
  相似文献   

19.

Introduction

The risk of cardiovascular death is increased in patients with eating disorders (ED), but the background for this is unknown. Early repolarization pattern (ERP) on the electrocardiogram (ECG) has been associated with increased risk of sudden cardiac death.

Methods

We investigated the prevalence of ERP in 233 female patients with anorexia nervosa (AN) and bulimia nervosa (BN) (age 18–35 years) compared with 123 healthy female controls.

Results

Early repolarization pattern was present in 52 (22%) of ED patients (16 (15%) AN patients and 36 (29%) BN patients) and 17 (14%) of healthy controls. When adjusting for age, BMI, heart rate, use of selective serotonin reuptake inhibitors (SSRI), and potassium level, the odds ratio (OR) for ERP was 2.1 (95% CI 1.1–4.2, = .03). There was an increased prevalence of inferolateral ERP in patients with ED compared with healthy controls (OR = 4.3, 95% CI 1.7–11.3, = .003) as well as ERP with a downward/horizontal sloping ST segment (OR = 3.1, 95% CI 1.3–7.6, = .01). Additionally, J-point elevation >0.2 mV was more prevalent in patients with ED (OR = 3.3, 95% CI 1.1–9.7, = .03).

Conclusion

The prevalence of ERP was increased in patients with ED compared with healthy controls. This finding may provide a possible explanation for the increased cardiovascular mortality in ED patients.
  相似文献   

20.

Background and Aim

Dietary factors and immune dysfunction may induce symptoms in patients with functional dyspepsia (FD). The aim of the study was to evaluate whether gluten consumption impacts symptom onset in patients with FD and to evaluate for possible histologic alterations in the duodenum of patients with FD.

Methods

We prospectively enrolled 101 patients newly diagnosed with FD and 31 asymptomatic controls. Specific FD symptoms and gluten consumption patterns were evaluated by self‐reported questionnaires. Tight junction protein (claudin‐1) expression and presence of intraepithelial lymphocyte (IEL) infiltration in the bulb (D1) and second portion (D2) of the duodenum were assessed by immunohistochemistry.

Results

Wheat bun consumption had higher frequency (P = 0.047) and increased average consumption (P = 0.01) scores in patients with FD compared with the control group. Of the 101 patients with FD, early satiety (P = 0.03) was associated with increased wheat bun consumption frequency score. On histologic evaluation, claudin‐1 expression was decreased in D1 (0.003 ± 0.001 vs 0.012 ± 0.002, P = 0.003) and D2 (0.002 ± 0.0004 vs 0.012 ± 0.001, P < 0.001), while duodenal IEL counts were increased in D1 (15.5 ± 7.8 vs 3.1 ± 2.5, P < 0.001) and D2 (20.6 ± 7.7 vs 5.8 ± 3.4, P < 0.001) among patients with FD compared with the control group. Finally, Helicobacter pylori infection was associated with increased IELs in D1 (20.6 ± 7.0 vs 14.2 ± 7.4, P = 0.001) among patients with FD.

Conclusions

Among patients with FD, gluten‐rich food may lead to symptom onset, specifically early satiety. Intestinal epithelial barrier dysfunction characterized by decreased claudin‐1 expression and mucosal immune activation demonstrated by IEL infiltration may contribute to the pathogenesis of FD.  相似文献   

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