Using SpO2 Recovery Index after a 6-Minute Walk Test to Predict Respiratory-Related Events in Hospitalized Patients with Interstitial Pneumonia.

Although the prognostic factors of interstitial pneumonia (IP) patients have been reported, IP has poor prognosis. Hospitalized patients with IP have severely impaired pulmonary diffusion capacity and prominent desaturation. We hypothesized that determining oxygen saturation recovery (SpO2 recovery index) after the 6-minute walk test (6MWT) can provide additional prognostic information regarding rehospitalization for respiratory-related events. We evaluated 73 IP patients at our hospital for demographic characteristics, pulmonary function tests and 6MWT. The Kaplan-Meier method was used to estimate rehospitalisation for respiratory-related events using SpO2 recovery index. Cox regression analysis revealed a relationship between SpO2 recovery index and rehospitalisation. The optimum cutoff value of SpO2 recovery index was 4% (sensitivity, 71.4%; specificity, 79.2%). SpO2 recovery index was most closely related to pulmonary diffusion capacity (r = 0.684, P < 0.001). In a multivariable model, it was the strongest independent predictor of rehospitalisation for respiratory-related events (hazard ratio, 0.3; 95% confidence interval, 0.10-0.90; P = 0.032). In this study, we estimated pulmonary diffusion capacity using SpO2 recovery index values obtained from 6MWT. A SpO2 recovery index of <4% can be useful in predicting rehospitalisation for respiratory-related events.

Multidisciplinary nutritional support for autologous hematopoietic stem cell transplantation: a cost-benefit analysis.

OBJECTIVE: The objective of the present study was to evaluate the economic and clinical efficacy of a multidisciplinary nutritional support team (NST) for autologous stem cell transplantation. METHODS: We performed a retrospective cost-benefit analysis of autologous stem cell transplantation (ASCT) in patients with and without NST intervention at a single institute. Patients (n = 120) had undergone 169 ASCTs, 67 before the commencement of NST intervention in September 2005 and 102 after September 2005. The conditioning regimens, prophylactic antibiotics, and supportive care were unchanged from 2001 through 2008. The duration of hospitalization, cost, and laboratory data were analyzed. RESULTS: With NST intervention, the duration of total parenteral nutrition, absence of oral food intake, hospitalization, and therapeutic antibiotic usage were significantly shortened by 11.4, 9.7, 8.1, and 4.5 d, respectively. With NST intervention, the incidence of hepatic adverse events and hyperglycemia was low, and the total cost of hospitalization was significantly decreased by 403 600 yen (US $4484.40). Two cases of therapy-related death were recorded before September 2005. No therapy-related mortality was observed after commencement of NST intervention; however, the difference was not significant. CONCLUSION: Multidisciplinary NST intervention has a positive effect on cost decrease, and it may decrease the incidence of adverse events associated with ASCT and total parenteral nutrition.