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私たちの ヒップ joint is a ball and socket joint. The ball refers to the head of the femur (the thighbone) and the socket refers to the acetabular notch, part of the hip bone. The term acetabular fracture is used for fractures in the socket of the hip joint.  

Acetabular fractures are much less common than the fractures of the ball of the femur or other femoral fractures. According to some sources, only 10% of the total pelvic fractures are comprised of acetabular fractures. In this article, we will discuss some causes, treatments, and complications associated with acetabular fractures. 


The ヒップ 関節は私たちの体の大きくて重要な関節です。それは私たちの体を安定させ、胴体の重量を脚に伝達するのに役立ちます。前述のように、球関節タイプのジョイントです。ソケットを形成する寛骨臼とボールを形成する大腿骨(頭)。 

The bones making the joint are covered by a smooth and slippery articular cartilage that works to reduce the friction between the ball and socket. The joint’s stability or strength comes from the strong ligaments that attach one bone to the other. A lot of our important organs, vessels, and nerves are in close proximity to the pelvic bones and these viscera can get damaged due to an acetabular fracture.  

BodyParts3DはDBCLS、CC BY-SA 2.1JPによって作成されています、ウィキメディアコモンズ経由



  • 痛み – this could be severe pain that gets aggravated more with movement. At times even a slight movement is impossible to perform due to the immense pain caused by fractures. 
  • しびれやうずき – if a nearby nerve gets damaged due to fractures, bones compressing or stretching the nerve leads to weakness or numbness in the area that the nerve is supplying.




  • – elderly people have weakened bones and ligaments that can reduce the pressure resisting capacity of these bones, causing them to fracture more easily.  
  • 栄養失調 – lacking a good diet, especially lack of calcium and vitamin D can cause you to have weaker bones.
  • 基礎疾患 – disorders that cause weakening of the bones i.e., hyperparathyroidism, osteomyelitis, osteoporosis, etc. can increase the risk of you getting an acetabular fracture. 



  • X線 – X-rays for acetabular fractures are taken from various angles to asses the severity of the fracture. 
  • CTスキャン – it is a commonly ordered scan that provides a more detailed view of the bones in the pelvis and the fractured bones. 
ジェームズハイルマン、MD、CC BY-SA 3.0、ウィキメディアコモンズ経由



  • 非外科的治療者t – these include therapies that are non-invasive and mostly conservative. This type of treatment includes walking aids like crutches, positioning aids like knee immobilizers, bed rest along with medications like NSAIDs (non-steroidal anti-inflammatory drugs) which help to reduce swelling and pain 
  • 外科的治療 – this is the most opted treatment for acetabular fractures. The cartilage around the acetabulum is oftentimes torn which needs to be fixed to avoid complications. During surgery, bones are fixed (joined together if broken into pieces) and aligned into their proper positions. Surgery is also needed if there is a severed vessel that is causing an internal hemorrhage (bleeding) due to the fracture. Your doctor might put metal plates in your joint to keep it fixed until you recover.  
  • Total hip replacement – in cases of severe damage, the acetabulum cannot be fixed. In these cases, total hip replacement surgery is advised. In this procedure, the damaged acetabulum and associated cartilage is removed and replaced by artificial bone and cartilage 

Dr.CJThakkar、CC BY-SA 4.0、ウィキメディアコモンズ経由



  • 坐骨神経損傷 –坐骨神経は背後にあります ヒップ 関節および損傷が重度で広範囲に及ぶ場合、坐骨神経に損傷を与え、大腿部の衰弱や麻痺を引き起こす可能性があります。 筋肉 
  • Post-traumatic arthritis – acetabular fractures often damage the smooth surface of the articular cartilage around the acetabulum, and this can cause joint pain and swelling even after successful treatment 
  • 内出血 – if an artery is cut due to the fracture, internal bleeding can cause a lot of damage and even shock if not treated properly. In some cases of hip replacement surgeries, the femoral artery (artery in your thigh) gets lacerated (cut) leading to high amounts of blood loss which can be fatal.  
  • 感染 – if bacteria enter the body during surgery or through the wound it can lead to infection and even sepsis (an infection spread in the bloodstream) 
  • 無血管性壊死 – femoral head necrosis (tissue death) is a common complication of hip fractures. It can be associated with acetabular fractures too. It occurs due to blocked blood supply to the femoral head (ball) by arterial damage leading to necrosis of the head of the femur 



  • シートベルトを着用し、安全に運転する 
  • はしごを登るときは、はしごを慎重に置いてください 
  • 十分なカルシウムとビタミンDを含む健康的なバランスの取れた食事をとる 
  • Exercise regularly – this can strengthen your ligaments and joints. This can reduce the severity of fractures 


If you get into an accident or experience a high-impact fall on your legs resulting in severe pain, you need to get medical treatment right away. Along with the pain, you might experience swelling which might be increasing with time. Your doctor will treat you for the pain first and then manage the fractures you had.  

Your recovery period depends on the severity of the injury you had. In case of minor fractures, you would be advised to rest for some time and then start doing light movements. However, in case of severe fractures, you would need to take bed rest for a longer period of time and along with other therapies. Most of the people recover fully and enjoy a healthy life. 


寄稿および/または更新者ジェフリー・M・スミス、MD、ロバートP.ダンバー、MD、ジェイソン・A・ロウ、MD、Jason D. Provus、MD 


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