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1.
Chinese Journal of Emergency Medicine ; (12): 603-607, 2022.
Article in Chinese | WPRIM | ID: wpr-930251

ABSTRACT

Objective:To investigate the value of hypocalcaemia for predicting trauma-induced coagulopathy (TIC) in elderly trauma patients.Methods:The clinical data of elderly trauma patients in emergency ICU of the Second Affiliated Hospital of Zhejiang University School of Medicine from January 2015 to September 2020 were retrospectively analyzed, including age, sex, site of injury, injury severity score (ISS), Glasgow coma scale (GCS), admission arterial blood gas analysis (Ca 2+, K +), venous blood biochemical electrolyte (Ca 2+, K +, Na +); international normalized ratio (INR), activated partial thromboplastin time (APTT), prothrombin time (PT), fibrinogen (FIB), use of blood products, length of stay, length of stay in ICU, total cost, and clinical prognosis. Receiver operating characteristic (ROC) curves and multivariate logistic regression analysis were performed to estimate the contribution of hypocalcaemia to triggering TIC in elderly trauma patients. Results:Totally 371 elderly trauma patients were included with a mean age of (72.5±6.8) years, and 248 (66.8%) were male. ISS score of the TIC group was higher than that of the non-TIC group [25(20, 34) vs. 21(16, 29)]. Compared with the non-TIC group, the incidence of chest injury, abdominal injury and limb injury were significantly higher , while the incidence of head and neck injury were significantly lower in the TIC group (all P<0.05). The biochemical blood calcium in the TIC group was significantly lower than that in the non-TIC group [(1.97±0.19) mmol/L vs. (2.15±0.16) mmol/L, P<0.001], but there was no significant difference in blood gas calcium between the two groups. The APTT value of the TIC group [(47.6±21.8) s vs. (33.8±4.1) s], PT value [(18.0±3.9) s vs. (13.7±0.8) s] were significantly higher than that of the non-TIC group, and FIB level was significantly lower than that of the non-TIC group[(1.7±0.8) g/L vs. (2.8±0.9) g/L] (all P<0.01). The utilization rate of blood products and the total cost in the TIC group were higher than that in the non-TIC group, while the recovery rate in the TIC group was lower than that in the non-TIC group (69.8% vs. 86.4%, P<0.001). Multivariate logistic regression analysis showed that hypocalcaemia was an independent risk factor for TIC in elderly trauma patients ( OR=5.830, 95% CI: 3.295-10.314). The area under ROC curve of correlation between biochemical calcium and TIC was 0.779 (95% CI: 0.728-0.831). The optimal diagnostic cut-off value was 2.06 mmol/L. Conclusions:The decrease of biochemical serum calcium level is an independent risk factor for TIC in elderly trauma patients. Positive correction of TIC in elderly trauma patients contributes to continuous improvement of clinical prognosis.

2.
Chinese Journal of Geriatrics ; (12): 1183-1186, 2022.
Article in Chinese | WPRIM | ID: wpr-957361

ABSTRACT

Objective:To analyze the epidemiological characteristics and influencing factors of venous thrombosis in elderly patients with severe trauma.Methods:A retrospective study was conducted to collect and statistically analyze general information[sex, age, body mass index(BMI)], causes of trauma, injury severity score(ISS), Glasgow coma score(GCS), coagulation function[prothrombin time(PT), international normalized ratio(INR), D-dimer], B-type natriuretic peptide(BNP), liver function(alanine aminotransferase, aspartate aminotransferase), creatinine, Caprini score, surgical approach, immobilization mode, days of hospitalization, and treatment cost.Results:Totally 179 elderly patients with severe trauma were enrolled, including 130 men(72.6%), aged(67.6±6.4)years.The BMI, ISS and GCS scores of elderly patients with severe trauma were(22.9±3.4)kg/m 2, 28.4±10.5 and 10.2±4.6, respectively.The Caprini score was 11.7±4.0.Of these patients, 32(17.9%)had VTE events.Compared with the VTE negative group, the VTE positive group was older( t=-2.214, P=0.028), with a higher Caprini score( t=-2.684, P=0.008)and more lower limb fractures( P=0.008)and pelvic fractures( P=0.001). There were no significant differences in coagulation function, liver function, atrial natriuretic peptide levels, creatinine levels and surgical approaches between the VTE negative group and the VTE positive group(all P<0.05). No significant difference was found in the proportion of patients receiving surgical treatment between the two groups( P=0.563). In the VTE positive group, 18.8% had no fracture, 50.0% had one fracture, and 31.2% had two or more fractures, and the difference was statistically significant compared with the VTE negative group( P=0.029). However, VTE events had no significant effect on the average length of stay and hospitalization costs in elderly trauma patients(all P<0.05). Conclusions:For elderly patients with severe trauma, VTE is more likely to occur with increased age, a high Caprini score, multiple fracture sites and pelvic fracture.In addition, pelvic fracture is an independent risk factor for VTE in very old trauma patients.Attention should be paid to prevention and treatment to achieve steady improvement in the overall prognosis of trauma in these patients.

3.
Chinese Journal of Trauma ; (12): 61-66, 2022.
Article in Chinese | WPRIM | ID: wpr-932211

ABSTRACT

Objective:To explore the risk factors for early trauma-induced coagulopathy (TIC) following severe trauma in the elderly patients.Methods:A case-control study was used to analyze the clinical data of 317 elderly patients with severe trauma admitted to Second Affiliated Hospital of Zhejiang University School of Medicine between February 2015 and November 2020. There were 212 males and 105 females, aged 65-96 years [(72.6±6.8)years]. The patients were divided into TIC group ( n=32) and non-TIC group ( n=285) using the international normalised ratio (INR)>1.5 as the reference standard. Sex, age, trauma sites, injury severity score (ISS), Glasgow coma scale (GCS), first body temperature on admission, shock index(SI), first laboratory results of arterial blood gas, routine blood and coagulation, blood transfusion, usage of blood product, hospitalization days and clinical outcomes were compared between the two groups. Univariate and multivariate Logistic regression analysis were used to identify the risk factors for early TIC in patients with severe trauma. Results:Differences in sex, age, injuries to the face, chest and abdomen, GCS, first body temperature and hospitalization days were not statistically significant between the two groups (all P>0.05). The two groups showed statistical differences in the ratio of injuries to head, neck and extremities, ISS, SI, pH value, base excess (BE), lactate, hemoglobin (Hb), platelet (PLT) count (first detection, lowest level), activated partial thromboplastin time (APTT), thrombin time (TT), plasma fibrinogen (FIB), blood transfusion and usage of blood product and clinical outcomes (all P<0.05). According to the univariate analysis, injuries to the head, neck and extremities, ISS, first body temperature, SI, pH value, BE, lactate, Hb, PLT, APTT, TT and FIB were correlated with the occurrence of early TIC (all P<0.05). Multiple Logistic regressions analysis showed that SI ( OR=1.54, 95% CI 1.10-2.17, P<0.05), PLT ( OR=0.67, 95% CI 0.49-0.91, P<0.05) and FIB ( OR=0.56, 95% CI 0.40-0.78, P<0.01) were significantly correlated with the occurrence of early TIC. Conclusion:For elderly patients with severe trauma, higher SI, lower PLT count and lower concentration of FIB are independent risk factors for the incidence of early TIC.

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