Prevalence and risk factors of deep venous thrombosis of lower extremity in patients with stage Ⅲ and Ⅳ pressure ulcers on admission
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摘要:目的 探讨Ⅲ、Ⅳ期压疮患者入院时并发下肢深静脉血栓形成(DVT)的情况及危险因素。方法 采用回顾性病例系列研究方法。将于郑州市第一人民医院创面修复科2015年1月1日—2019年12月31日出院的符合入选标准的241例Ⅲ、Ⅳ期压疮患者纳入研究,其中男134例、女107例,年龄22~93岁,中位年龄68岁;其中Ⅲ期压疮者37例、Ⅳ期压疮者204例。收集患者发生DVT情况。根据入院后48 h内下肢静脉彩色多普勒超声检查是否确诊为DVT,将病例分为DVT组(37例)和非DVT组(204例);收集并比较2组患者的性别、年龄、压疮持续时间、卧床时间以及合并糖尿病、高血压、冠心病、脑梗死、肺炎、脓毒症/感染性休克、截瘫与入院后24 h内血浆D-二聚体水平和Caprini评分等临床资料。对数据行独立样本t检验、Mann-Whitney U检验、χ2检验及Fisher确切概率法检验。将组间比较差异有统计学意义的指标进行多因素logistic回归分析,筛选影响241例Ⅲ、Ⅳ期压疮患者入院时并发下肢DVT的独立危险因素。结果 DVT发生率为15.4%(37/241),其中86.5%(32/37)的患者系无症状DVT,46条下肢DVT中仅累及膝下静脉者29条,占63.0%。2组患者性别、压疮持续时间及合并糖尿病、高血压、冠心病、脑梗死、肺炎、脓毒症/感染性休克情况比较,差异均无统计学意义(P>0.05);2组患者年龄、卧床时间、合并截瘫情况、血浆D-二聚体水平及Caprini评分比较,差异均有统计学意义(t=-3.19,Z=-2.04,χ2=4.44,Z=-3.89,t=-2.14,P<0.05或P<0.01)。多因素logistic回归分析显示,年龄、血浆D-二聚体水平是影响241例Ⅲ、Ⅳ期压疮患者入院时并发下肢DVT的独立危险因素(比值比分别为1.03、1.18,95%置信区间分别为1.00~1.06、1.05~1.33,P<0.05或P<0.01)。结论 Ⅲ、Ⅳ期压疮患者入院时具有较高的DVT发生率,年龄、血浆D-二聚体水平是发生下肢DVT的独立危险因素,有必要在接诊时重视DVT的针对性筛查及预防宣传教育。Abstract:Objective To investigate the incidence and risk factors of deep venous thrombosis (DVT) of lower extremity in patients with stage Ⅲ and Ⅳ pressure ulcer on admission.Methods A retrospective case series study was conducted. A total of 241 patients with stage Ⅲ and Ⅳ pressure ulcers who met the inclusion criteria and were discharged from the Department of Wound Repair of the First People's Hospital of Zhengzhou from January 1, 2015 to December 31, 2019 were enrolled in this study, including 134 males and 107 females, aged 22 to 93 years, with a median age of 68 years; 37 patients were with stage Ⅲ pressure ulcers and 204 patients were with stage Ⅳ pressure ulcers. The DVT occurrence of patients was recorded. According to whether DVT of lower extremity veins was diagnosed by color Doppler ultrasound within 48 h after admission or not, the patients were divided into DVT group (n=37) and non-DVT group (n=204). Data of patients in the two groups were collected and compared, including gender, age, duration of pressure ulcer, time in bed, and combination with diabetes, hypertension, coronary heart disease, cerebral infarction, pneumonia, sepsis/septic shock, and paraplegia, and the plasma D-dimer level and Caprini score within 24 h after admission. Data were statistically analyzed with independent sample t test, Mann-Whitney U test, chi-square test, and Fisher's exact probability test. The indicators with statistically significant differences between the two groups were analyzed with multivariate logistic regression analysis to screen the independent risk factors influencing the DVT of lower extremity in 241 patients with stage Ⅲ and Ⅳ pressure ulcers on admission.Results The incidence of DVT of lower extremity was 15.4% (37/241), of which 86.5% (32/37) were asymptomatic DVT. Among the DVT of 46 lower limbs, only 29 involved the inferior genicular veins, accounting for 63.0%. There were no statistically significant differences in gender, duration of pressure ulcer, combination with diabetes, hypertension, coronary heart disease, cerebral infarction, pneumonia, and sepsis/septic shock of patients between the two groups (P>0.05), while there were statistically significant differences in age, time in bed, combination with paraplegia, the plasma D-dimer level and Caprini score of patients between the two groups(t=-3.19, Z=-2.04, χ2=4.44, Z=-3.89, t=-2.14, respectively, P<0.05 or P<0.01). Multivariate logistic regression analysis showed that age and plasma D-dimer level were independent risk factors influencing the DVT of lower extremity in 241 patients with stage Ⅲ and Ⅳ pressure ulcers on admission (with odds ratios of 1.03 and 1.18, respectively, with 95% confidence intervals of 1.00-1.06 and 1.05-1.33, respectively, P<0.05 or P<0.01).Conclusions The patients with stage Ⅲ and Ⅳ pressure ulcers have a higher incidence of DVT on admission, with age and plasma D-dimer level being the independent risk factors for DVT of lower extremity. It is necessary to pay attention to the targeted screening of DVT and education of its prevention.
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Key words:
- Pressure ulcer /
- Venous thrombosis /
- Incidence /
- Risk factors /
- Age /
- D-dimer
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表1 2组Ⅲ期与Ⅳ期压疮患者临床资料比较
组别 例数 性别[例(%)] 年龄(岁, ) 压疮持续时间[个月,M(Q1,Q3)] 卧床时间[个月,M(Q1,Q3)] 合并糖尿病[例(%)] 合并高血压[例(%)] 合并冠心病[例(%)] 男 女 有 无 有 无 有 无 非DVT组 204 113(55.4) 91(44.6) 66±16 4.0(1.5,12.0) 41(12,120) 54(26.5) 150(73.5) 69(33.8) 135(66.2) 28(13.7) 176(86.3) DVT组 37 21(56.8) 16(43.2) 74±13 2.5(1.5,5.5) 17(4,90) 13(35.1) 24(64.9) 18(48.6) 19(51.4) 6(16.2) 31(83.8) 统计量值 χ2=0.02 t=-3.19 Z=-1.92 Z=-2.04 χ2=1.17 χ2=2.98 χ2=0.16 P值 >0.999 0.002 0.055 0.042 0.319 0.096 0.618 注:DVT为深静脉血栓形成;“—”表示无此统计量值 表2 多因素logistic回归分析241例Ⅲ期与Ⅳ期压疮患者入院时并发下肢DVT的独立危险因素
危险因素 偏回归系数 标准误 比值比 95%置信区间 P值 年龄(岁) 0.03 0.02 1.03 1.00~1.06 0.045 卧床时间(个月) 0.00 0.00 1.00 0.99~1.00 0.291 合并截瘫情况 0.11 0.50 1.12 0.42~3.00 0.826 血浆D-二聚体水平(mg/L) 0.17 0.05 1.18 1.05~1.33 0.004 Caprini评分(分) 0.18 0.13 1.19 0.92~1.54 0.175 注:DVT为深静脉血栓形成 2022年1期 烧伤缺血缺氧性损害与休克的防治 组稿专家:申传安(已组稿完成) 2022年2期 烧伤后炎症与免疫 组稿专家:孙炳伟、贺伟峰(已组稿完成) 2022年3期 烧伤感染、脓毒症 组稿专家:姚咏明、袁志强(已组稿完成) 2022年4期 扩张术与瘢痕修复 组稿专家:马显杰(已组稿完成) 2022年5期 烧伤后脏器功能损害 组稿专家:郇京宁(已组稿完成) 2022年6期 特殊原因创面(冻伤、自身免疫病创面等) 组稿专家:于家傲(已组稿完成) 2022年7期 生长因子调控创面修复 组稿专家:肖健(已组稿完成) 2022年8期 烧伤营养 组稿专家:韩春茂(已组稿完成) 2022年9期 瘢痕的光电治疗 组稿专家:章一新 2022年10期 生物材料在创面修复中的应用 组稿专家:罗高兴 2022年11期 创面修复中的细胞与干细胞治疗 组稿专家:史春梦 2022年12期 烧伤康复 组稿专家:谢卫国 -
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