Zor İyileşen Yaralar: Yara Ayrışması (Dehisence) ve Tedavisi
Özet
Yara ayrışması (dehissans), cerrahi teknikler ve modern teknolojideki gelişmelere rağmen mortalite (%9-50), morbidite ve tedavi maliyetlerini artıran ciddi bir postoperatif komplikasyondur. Genellikle laparotomi gibi batın, toraks veya ortopedik cerrahileri takiben, ameliyattan sonraki 4 ila 14. günlerde (ortalama 8. gün) ortaya çıkar. Nedenleri multifaktöriyel olup hastaya bağlı (ileri yaş, erkek cinsiyet, sigara kullanımı, kontrolsüz diyabet, malnütrisyon, anemi vb.) ve ameliyata bağlı (acil cerrahi, cerrahın tecrübesi, yanlış sütür materyali veya tekniği) risk faktörleri olarak ikiye ayrılır. Ancak en önemli tek risk faktörü, olguların %60'ında görülen yara enfeksiyonudur. Klinik yönetimde değiştirilebilir risk faktörlerinin kontrol altına alınması ve fasyanın kapatılmasında emilmeyen ya da yavaş emilen sürekli monofilament sütür ile 4/1 dikiş/kesi oranı standardına uyulması önerilir. Yara ayrışması geliştiğinde, öncelikle fasyanın sağlamlığı ve apse varlığı kontrol edilir. Tedavide sistemik komorbiditelerin optimizasyonu, nekrotik dokuların uzaklaştırılması, eksüda kontrolü için negatif basınçlı yara tedavisi (NPWT), yüksek biyolojik yük durumunda gümüşlü pansumanlar ve selülit varlığında sistemik antibiyotikler kullanılır.
Wound dehiscence remains a critical postoperative complication that increases mortality (9-50%), morbidity, and healthcare costs despite advancements in surgical techniques and modern technology. It typically occurs following abdominal (such as laparotomy), thoracic, or orthopedic surgeries, manifesting between the 4th and 14th postoperative days, with an average onset on the 8th day. Its etiology is multifactorial, categorized into patient-related factors (advanced age, male gender, smoking, uncontrolled diabetes, malnutrition, anemia, etc.) and procedure-related factors (emergency surgery, surgeon's experience, inappropriate suture material, or technique). Notably, wound infection is the single most significant risk factor, present in 60% of cases. Clinical management emphasizes controlling modifiable risk factors and adhering to the 4:1 suture-to-wound length ratio using non-absorbable or slowly absorbable continuous monofilament sutures for fascial closure. When dehiscence occurs, fascial integrity and the presence of an abscess are evaluated first. Treatment focuses on optimizing systemic comorbidities, debriding necrotic tissue, utilizing negative pressure wound therapy (NPWT) for exudate control, applying silver dressings for high bioburden, and administering systemic antibiotics in the presence of cellulitis.
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