OLGU SUNUMLARI
Bifosfonat Tedavisinin Femur Başı Avasküler Nekrozu Üzerine Etkisi
Effect of Biphosphonate Treatment on Femur Head Avascular Necrosis
Received Date : 30 Apr 2022
Accepted Date : 13 Dec 2022
Available Online : 19 Dec 2022
Nazlı KARAMANa, Zeliha ÜNLÜb
aDepartment of Physical Medicine and Rehabilitation, University of Health Sciences, Evliya Çelebi Training and Research Hospital, Kütahya, Türkiye
bDepartment of Physical Medicine and Rehabilitation, Celal Bayar University School of Medicine, Manisa, Türkiye
Doi: 10.31609/jpmrs.2022-91045 - Makale Dili: EN
J PMR Sci. 2023;26(1):108-11
ÖZET
Avasküler nekroz (AVN), kemiğin kan dolaşımının bozulması sonucunda,
kemik doku hücrelerinin kısmen veya tamamının ölmesiyle sonuçlanan,
ilerleyici bir bozukluktur. AVN oluşumunda en sık karşılaşılan
etiyolojik faktörler; alkolizm, kortikosteroid kullanımı, travma, orak hücreli
anemi, sistemik lupus eritematozus ve yağ embolisidir. Bunlardan kortikosteroid
kullanımı, femur başı AVN oluşumunda en önemli risk
faktörüdür. Sınırlı sayıda literatürde, tedavide bifosfonatlar-alendronatın etkinliğine
dair umut verici sonuçlar bildirilmiştir. Bu yazıda, böbrek nakli
sonrası kortikosteroid kullanımı bağlı bilateral femur başı AVN gelişen ve
osteoporoz nedeniyle 4 yıldır alendronat tedavisi alan bir hasta sunuldu.
Femur başında çökme olmadan önce başlanan alendronat tedavisinin, kalça
eklemlerinde semptomatik rahatlama sağladığı düşünüldü.
Anahtar Kelimeler: Avasküler nekroz; bifosfonatlar; osteoporoz
ABSTRACT
Avascular necrosis (AVN) is a progressive disorder that results
in partial or complete death of bone tissue cells due to impaired blood
circulation in the bone. The most common etiological factors in AVN formation
are alcoholism, corticosteroid use, trauma, sickle cell anemia, systemic
lupus erythematosus, and fat embolism. Among these, corticosteroid
use is the most crucial risk factor for femoral head AVN development.
Promising results regarding the efficiency of bisphosphonates-alendronate
in treatment have been reported in a limited number of literature sources. In
this article, a patient who developed bilateral AVN of the femoral head due
to corticosteroid use after kidney transplantation and received alendronate
treatment for 4 years due to osteoporosis is presented. It was thought that alendronate
treatment started before the femoral head collapsed provided
symptomatic relief in the hip joints.
Keywords: Avascular necrosis; bisphosphonates; osteoporosis
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