PURPOSE To assess the effects of medical comorbidities on the incidence of surgical site infection following primary Achilles tendon repair. A secondary aim was to assess the effects of specific medical comorbidities on the cost and extent of healthcare utilization related to surgical site infection following primary Achilles tendon repair. METHODS 24,269 patients undergoing primary Achilles tendon repair between 2005 and 2012 were examined. Current Procedural Terminology codes for primary Achilles tendon repair, and incision and drainage were used to search for and compile patient data from the United Healthcare Orthopedic and Medicare databases. Primary outcome measures regarding surgical site infection following primary Achilles tendon repair included the rate of occurrence, cost, and duration of treatment. RESULTS Patients with one or more preexisting medical comorbidities at the time of surgery had an increased rate of surgical site infection compared to those without. Diabetes and vascular complications were associated with the highest surgical site infection rates. The rate of surgical incision and drainage was higher in patients with cardiac arrhythmias and uncomplicated hypertension. The presence of a medical comorbidity significantly increased the cost and duration of surgical site infection treatment. CONCLUSIONS Medical comorbidities can complicate the postoperative course for patients undergoing Achilles tendon repair, which increases the cost of care and duration of treatment. A better understanding of the relationship between each medical comorbidity and surgical site infections following Achilles tendon repair may be ascertained with additional prospective studies, thus, allowing for a more accurate evaluation and stratification of surgical candidates to improve patient outcomes. LEVEL OF EVIDENCE Retrospective cohort study, Level III.

中文翻译：

---

医学上的合并症增加了跟腱原发修复的手术部位感染率。

目的评估原发性跟腱修复后医疗合并症对手术部位感染发生率的影响。第二个目的是评估特定的合并症对初次跟腱修复后手术部位感染相关医疗费用和程度的影响。方法对2005年至2012年间24 269例进行跟腱修复的患者进行了检查。目前使用的主要跟腱修复以及切口和引流的程序术语代码用于从United Healthcare Orthopedic和Medicare数据库中搜索和编译患者数据。有关跟腱初次修复后手术部位感染的主要结局指标包括发生率，费用和治疗持续时间。结果与没有合并症的患者相比，在手术时患有一种或多种先前合并症的患者的手术部位感染率更高。糖尿病和血管并发症与手术部位感染率最高有关。心律不齐和单纯性高血压患者的手术切开引流率较高。医学合并症的存在显着增加了手术部位感染治疗的成本和持续时间。结论医学合并症会使跟腱修复患者的术后病程复杂化，这增加了护理成本和治疗时间。可以通过其他前瞻性研究来更好地了解跟腱修复后的每种合并症与手术部位感染之间的关系，从而可以对手术候选人进行更准确的评估和分层，以改善患者预后。证据水平回顾性队列研究，III级。