The difference between the arterial and the end-tidal carbon dioxide tension [P(a-E1)CO2] was observed before and after cardiopulmonary bypass(CPB)was performed in 34 patients,who were divided into 3 groups according to the duration of CPB.It was found that there was an increase of P(a-E1)CO2 after CPB in all the patients and the increase was more significant in Group C(CPB duration of 158 to 186 minutes)than in Group A(CPB duration of 82 to 106 minutes)(P

Objective To investigate the effect of 15-deoxyspurgualin (DSG) on graft coronary arteriosclerosis (GCA) and the platelet-derived growth factor-A (PGDF-A) mRNA expression of graft myocardium after heterotopic heart transplantation and the possible mechanism. Methods The rat heterotopic heart transplantation model was developed. Two groups of Lewis rats ( n =7 in each group) underwent heterotopic heart transplantationin from Wistar-King donors and were treated with either DSG (5 mg/kg daily, DSG group) or cyclosporine A (10 mg/kg daily, control group). Histological examinations of rejection and coronary arteriosclerosis, as well as Northern blot analysis of graft PDGF-A mRNA expression were made 60 days after transplantation. Results No significant difference in the degree of rejection was found between the two groups. However, the degree of coronary arterial intimal thickening in the DSG group was significantly less than that in the control group ( P

Objective To investigate effects of continuous positive airway pressure (CPAP)treatment on pulmonary function, frequency of asthmatic attack, and quality of life in patients of moderate to severe obstructive sleep apnea syndrome (OSAS) accompanying with asthma. Methods Twenty-three patients of OSAS accompanying with mild-to-moderate asthma were studied. They were divided into two groups, gastroesophageal reflux ( GER ) group ( n = 9 ) and non-GER group ( n = 14 ), based GER questionnaire score equal to or greater than 12, or less than 12. Pulmonary function tests (PFTs), Epworth sleepy score (ESS), quality of life for obstructive sleep apnea (QOLAp) score, quality of life for asthma (QOLAs) score and polysomnography (PSG) were measured for all the patients before and after four-week CPAP, respectively. Results No significant difference in PFTs was revealed before and after four-week CPAP between the two groups. However, there was significant difference in scores of QOLAp, ESS and QOLAs before and after four-week CPAP treatment, ( 12. 8 ± 2. 8 ) and (4. 6 ± 0. 9), ( 5. 1 ± 0. 7 ) and (6.3 ±0.6), and (4. 1 ±0.5) and (6.3 ±0.5) in GER group, and (13.0 ±2.9) and (4.6 ± 1.1),(4.7±0.5) and (5.6±0.6), and (3.6±0.3) and (5.8 ±0.6) in non-GER group, respectively (P＜0. 01 or 0. 05). Frequencies of asthmatic attack and nocturnal asthmatic attack reduced to ( 1.7 ± 1.1 )episodes per week and (0. 7 ± 0. 3) episodes per week after four-week treatment from (2. 9 ± 2. 0) episodes per week and ( 1.4 ± 0. 8) episodes per week before treatment ( P ＜ 0. 05 ) in GER group, but no significant difference was found before and after treatment in non-GER group. Scores of QOLAs increased more significantly in GER group than that in non-GER group ( P ＜ 0. 05 ). Conclusion CPAP treatment can significantly improve quality of life, rather than pulmonary function, in patients of OSAS accompanying with asthma, especially in those with GER symptoms.

0.05),while the leptin level in serious injury group was higher than in all the other groups(P

This paper introduces the concensus on the relationship between sleep apnea and cardiovascular disease reached by experts with corresponding backgrounds from Chinese Medical Association.The relationship is that of sleep apnea with hypertension,coronary artery disease,arrhythmias,and congestive heart failure,and the relationship can improve the diagnosis and treatment of these two types of diseases.

Objective: To eliminate the noise merged in bowel sounds and extract the time-domain features of the main signal. Methods: In this paper, the principles of Independent Conponent Analysis (ICA) were investigated; the algorithm of Fast ICA was discussed; the step of ICA was given. Then we processed the bowel sounds with this method, and extracted the time-domain features with normalized average Shannon energy, representative differences were found between the normal and abnormal signals. Results: The noise merged in bowel sounds is eliminated and there are statistical differences between the normal and abnormal bowel sounds. Conclusions: Detection and analysis of bowel sounds has important value in the diagnosis and cure of gastrointestinal diseases, the experimental results show that ICA is an effective method for processing bowel sounds.

Objectives:To evaluate lung injury mechanism in SD rat with nitrogen dioxide(NO2) exposure. 　Methods:In the test-control study, pulmonary malondialdehyde(MDA),glutathione(GSH) and total-antioxidant content(T-AOC) were determined in 10 SD rats with long-term NO2 exposure,10 SD rats with short-term NO2 exposure and 10 SD rats with fresh air as control. 　Results: Pulmonary MDA content was increased and T-AOC was decreased significantly in SD rat exposed to NO2. Pulmonary GSH was decreased significantly in long-term NO2 exposure group as compared with short-term NO2 exposure group and control group. 　Conclusions: Imbalance between oxidant and antioxidant was an important mechanism in the pathogenesis of oxidizing lung injury in SD rat with NO2 exposure.

Objective To make an inquiry into the feasibility and clinical effect of treating the Ⅲa stage of non-small-cell lung cancer(NSCLC)by combining chemotherapy of bronchus artery instillation and radiotherapy of line accelerator.Methods 76 cases of patients with NSCLC were randomly divided into two groups of A and B.Chemotherapy of bronchus artery instillation (BAI) was exerted twice to group A first,then radiotherapy (RT) of line accelerator was followed one～two weeks later after completing the second BAI;Group B was simply performed two times of BAI (contrast group).Results Clinical curative effect of group A (BAI+RT) and group B (BAI) were respectively 89.47% and 60.53% (?

Objective Through the comparative study,we discovered the keys to medical service quality control,and identified science evidences of strengthening hospital's quality of care and enhancing its quality control in general.Methods The paper applied the KPIs for general hospitals' medical service quality in evaluating five general hospitals in 2009.Results The research found problems in each hospital respectively in their efficiency,business performance and quality.Conclusion The hospitals must pinpoint their own setbacks in quality control before their quality of care is enhance.

Objective By systematically analyzing the past literature on medical quality evaluation and the principles of selecting indicators and establishing the evaluate system in comprehensive hospitals in China,we offered valuable references for the establishment of the indicator system for evaluating medical quality.Methods According to the requirements of systematic analysis,we searched all the literatures published in the past decades within CNKI and analyzed them in accord with the inclusive criteria.Results It established 13 items medical quality key evaluation indications including the bed utilization ratio,the average hospitalization days of patients,the yearly average rate of in-patient cares per doctor,the turnover of beds,the degree of nursing effect,the success rate in rescuing critically ill patients,the incidence of nosocomial infections,the curing and improvement rate,the accordant diagnostic rate,the eligibility of basic nursing,the satisfactory ratio of patients,the income per capita,the ratio of drug income in the total revenues,the average medical expense per inpatient.Conclusion China's general hospitals already have in place their principles of KPI selection and their indicator systerm.The methodology to screen quality indicators has also taken shape.This study earmarked 13 key performance indicators for quality of care in its analysis,yet roadblocks still remain in building China' s KPIs for quality of care.