What happens before the operation?

Patient assessment – your personal medical history

Your doctor will first ask you to give details of your complaints. He will want to know where it hurts and where the pain radiates to. He will also ask about the intensity of the pain, its duration and any factors which intensify or ease the discomfort.

Physical examination – where does it hurt?

The doctor will first examine your shoulders, neck, back and both arms and, when doing so, will palpate various structures. He will then perform a few movement tests in order to gain an impression of the mobility of the shoulder joint. He further examines the pain caused when the shoulder joint is moved in different directions, for example adduction, abduction, rotating and raising.

X-ray – focus on your shoulder

Using the X-ray image, the doctor is able to recognise the changes caused by omarthrosis: owing to a loss of cartilage the intra-articular space between the humeral head and the glenoid cavity is either no longer uniform, is narrower or indeed is no longer visible. The bone structure of the humeral head and glenoid cavity appears irregular and altered whilst in very advanced stages the sections of the joint are deformed.

Preoperative discussion – your chance to ask any questions

On the day before the operation, the surgeon will usually talk to you in detail about the operation. He will explain the surgical method and the type of prosthesis to be used. The prosthesis model selected depends on the nature of your bones, your body weight and your level of physical activity. The surgeon will have normally decided beforehand which prosthesis model and type of fixation to use on the basis of your X-ray and data.

In the majority of cases, the surgeon will ask you about your state of health on the day before the operation. Do not hesitate to inform your doctor of any complaints which you consider minor, such as colds and skin infections, even if you are not asked. Although harmless, these illnesses need to be cured before a surgical intervention.

The anaesthetist will also talk to you on the day before the operation to explain the potential risks involved with the anaesthesia. He will also perform a few minor examinations. He is particularly interested in your heart and lung functions and any possible allergies. He will then talk to you about the anaesthesia to be used.

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