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1.
Article in English | IMSEAR | ID: sea-43061

ABSTRACT

OBJECTIVE: To assess the baseline clinical characteristics, management, and long-term survival of hospital-based COPD patients in the northern part of Thailand. MATERIAL AND METHOD: One hundred and ninety five hospital-based COPD patients from community and provincial hospitals in the northern part of Thailand were recruited between May and November 2002. They were followed up for 45 months for survival. RESULTS: Most of them (71.3%) were in the advanced stage and 41.8% were undernourished. Only a small fraction of the advanced stage patients (25.7%) estimated their dyspnea severity correctly with the disease stages. The frequency of the exacerbations increases as the disease become more severe. Only 23.7% of the advanced stage patients had received regular bronchodilator therapy. No patients had received pulmonary rehabilitation and long-term oxygen therapy. The 45 months survival was 75.6% in all patients. The severe group with low BMI had significantly lower survival than the one with normal BMI (67.7% vs. 89.8%, p = 0.040). CONCLUSION: Most COPD patients in the northern part of Thailand were in the advanced stage. They were commonly undernourished and exacerbated but still under treated according to standard treatment guidelines. BMI tends to influence the long-term survival of the advanced stage patients.


Subject(s)
Aged , Aged, 80 and over , Body Mass Index , Bronchodilator Agents/therapeutic use , Dyspnea , Female , Hospitalization , Humans , Male , Middle Aged , Organizations , Pulmonary Disease, Chronic Obstructive/epidemiology , Severity of Illness Index , Smoking , Survival Rate , Survivors , Thailand/epidemiology
2.
Article in English | IMSEAR | ID: sea-39519

ABSTRACT

OBJECTIVE: To evaluate the efficacy of the protocol-directed weaning from a mechanical ventilator compared to physician-directed weaning. MATERIAL AND METHOD: A comparative study between retrospective studies of physician-directed weaning as controls (N = 198) reviewed from July 2000 to July 2002 and the prospective studies of protocol-directed weaning as intervention (N = 196) enrolled from October 2002 to October 2003 in the medical ICU of Maharaj Nakorn Chiang Mai Hospital, tertiary care center of northern Thailand. Study results were concluded by Fisher's exact test. RESULTS: Baseline characteristics data of both groups including sex, age, illness severity which demonstrated by APACHE II score and PaO2/FiO2 ratio, causes of respiratory failure and mode of mechanical ventilation used were similar. The duration of mechanical ventilation before weaning was 5.89 +/- 3.71 days in the protocol-directed group and 7.41 +/- 5.54 days in the physician-directed group (p < 0.05). Weaning duration in the protocol-directed group was significantly shorter than the physician-directed group (14.58 +/- 16. 98 hours VS 47.09 +/- 38.23 hours; p < 0.05). Kaplan-Meire analysis demonstrated that patients in the protocol-directed group had significantly shorter durations of mechanical ventilation compared to patients in the physician-directed group (p = 0.001, log-rank test). The ICU LOS was significantly shorter in the protocol-directed group (7.91 +/- 4.71 vs 11.53 +/- 7.80 days; p < 0.05). The 28 days mortality rate and the incidence of hospital acquired pneumonia seemed to be less in the protocol-directed group (4.60% vs 6.10% and 5.60% vs 10.10% consecutively) and reintubation rate seemed to be higher in the protocol-directed group (6.1% vs 4.5%) than the physician-directed group but differences were not significant (p > 0. 05). CONCLUSION: Protocol-directed weaning proved to have more efficacy in weaning patients from a ventilator than physician-directed weaning in terms of weaning duration and ICU length of stay without a deteriorating effect to the patients.


Subject(s)
Adult , Aged , Clinical Protocols , Female , Hospitals, University , Humans , Critical Care , Male , Middle Aged , Retrospective Studies , Thailand , Treatment Outcome , Ventilator Weaning/methods
3.
Article in English | IMSEAR | ID: sea-42530

ABSTRACT

OBJECTIVE: To evaluate the usefulness of bronchial washings in addition to endobronchial biopsies and/or bronchial brushings for the pathological diagnosis of endoscopically visible lung cancer. MATERIAL AND METHOD: A retrospective study of patients diagnosed as lung cancer by bronchoscopy between January 1995 and December 1998. Patients were included in the study if they had 1) endoscopically visible tumors (exophytic mass or irregular mucosa) and 2) bronchial washings (BWs) performed together with either endobronchial biopsies (EBBs) or bronchial brushings (BRs). Patients were classified into 3 groups according to the result of the histocytology as follows: A) positive in both BWs and EBBs/BRs, B) positive in only EBBs/BRs and C) positive in only BWs. A number of patients in each group were analyzed to see the benefit of BWs as an add-on diagnostic tool. The authors also evaluated the benefits of BWs in the subgroup of patients who had necrotic and bleeding tumor Statistical analysis of the data was performed by using the likelihood-ratio chi-square test. RESULTS: Two hundred and twenty-two patients were included in the present study. The number of patients in group A, B and C was 108, 108, and 6, respectively. Therefore, BW was the only diagnostic procedure in 6 patients (2.7%). Those 6 patients all had incurable non-small cell lung cancer The likelihood of a positive BWs in an exophytic mass was no different from irregular mucosa. The likelihood of a positive BWs in a tumor with necrosis was higher than in a tumor without necrosis. In contrast, tumors with active bleeding had a lower likelihood of positive BWs when compared with those without bleeding. The likelihood ratio showed no statistical significance in any of the groups. CONCLUSION: The addition of BWs to either EBBs or BRs is beneficial, but it may not be cost-effective. This procedure may be useful in patients with an endoscopically visible necrotic tumor In contrast, the bronchoscopic finding of a bleeding tumor may be a negative predictor. This procedure may be a suitable approach when performed only in selected cases, such as necrotic tumor or negative initial EBBs/BRs.


Subject(s)
Aged , Biopsy, Needle , Bronchoscopy , Female , Humans , Lung Neoplasms/pathology , Male , Middle Aged , Necrosis , Retrospective Studies
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