Recognising post operative complications

Recovering from an operation is a process that can vary differ between individuals. While most operations are safe and recovery is usually smooth, there are times where complications can arise. Doctors, nurses and anaesthetists take careful measures before, during and after an operation to reduce the risks. However, it is still important for patients and families to understand what might go wrong, what signs to look out for and when to seek medical help.

What are post operative complications?

In medical terms, a complication refers to something that was not intended to happen. Postoperative complications are problems that develop after an operation. Some complications are specific to the type of surgery performed, while others, such as wound infections, can occur after almost any procedure.

The most common postoperative complications include fever, wound or chest infections, constipation, deep vein thrombosis and pulmonary embolism. Although these sound concerning, most patients will not experience serious problems. This is especially true for planned, or elective, surgery, as preparation beforehand allows both patient and medical team to take steps to reduce risks.

Recognising infections

Infections are one of the most frequent complications after surgery and can affect wounds, the urinary tract or the lungs.

A urinary tract infection may appear after surgery, particularly if a catheter has been used. Warning signs include discomfort when passing urine, needing to urinate more frequently than usual or changes in the colour or smell of the urine. If any of these occur, it is important to contact your GP promptly.

Surgical wounds are also at risk of infection. Normal healing may involve tingling, itching, some numbness and small scabs. However, if you notice increased redness, swelling, pain that is not controlled by pain relief, or drainage that appears unusual in colour or smell, you should seek medical advice. A fever above 38 degrees Celsius may also indicate infection. Keeping the wound clean and dry, changing dressings as instructed and informing your dentist of recent surgery are all important measures in prevention.

Chest infections are another possible complication, especially in people who remain inactive after surgery. Symptoms may include fever, sweating, feeling unwell, shortness of breath or coughing up green, yellow or blood stained mucus. Prevention is largely achieved through early movement, deep breathing and coughing exercises. If you develop these symptoms, arrange to see your GP without delay, as some chest infections can become severe.

Constipation and digestive issues

Constipation is a common problem following an operation. Reduced activity levels combined with the use of certain pain medications can slow the normal movement of the bowels. Although it is often temporary, it can cause discomfort. Eating a diet that includes fresh fruit, vegetables and other sources of fibre, maintaining good fluid intake and gradually becoming more mobile will usually help. If the problem persists, a mild laxative may be recommended by your nurse or GP.

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Blood clots and pulmonary embolism

An operation can sometimes slow blood flow in the veins, especially in the legs, which can lead to the development of blood clots. This condition is known as deep vein thrombosis and can cause pain, swelling, warmth or redness in the calf or thigh.

If a clot breaks away and travels to the lungs, it can cause a pulmonary embolism, which is a medical emergency. Signs include sudden chest pain, difficulty breathing, rapid breathing or coughing up blood. If you experience these symptoms, you should call 999 immediately.

To reduce the risk of clots, doctors often recommend early mobilisation, gentle walking, foot and ankle exercises, compression stockings, maintaining good hydration and, in some cases, blood thinning medication.

Photo credit: NHS Bedfordshire Hospitals

Other potential complications

There are several other problems that can occur after an operation, although they are less common.

Excessive bleeding from the site of surgery can lead to shock, which is a dangerous drop in blood pressure and requires urgent treatment. Shock may also result from infection or fluid loss and may present with faintness, rapid heart rate or difficulty breathing.

Urinary retention, which is the inability to empty the bladder, can also occur. This is often a temporary effect of anaesthesia and may require the use of a catheter until bladder function returns. Reactions to anaesthesia itself are rare but can happen. They range from mild rashes to severe allergic responses. It is essential to inform your healthcare team about any known allergies before surgery to minimise this risk.

Can complications be prevented?

Although no operation is entirely without risk, there are many ways to reduce the likelihood of complications. Patients can help by stopping smoking before an operation, maintaining a healthy weight, eating a balanced diet, correcting any nutritional deficiencies, and staying as active as possible in preparation for it. It is also vital to follow instructions about fasting and medication adjustments.

Your healthcare teams also take many steps to prevent problems. They carry out pre-operative checks, prescribe antibiotics when needed, monitor fluid balance and pain control, and encourage patients to move around as soon as it is safe to do so. Together these measures significantly lower risks and support recovery.

How can Cavendish Homecare help?

At Cavendish Homecare we are experts in providing post operative homecare for clients who want to remain in their own homes. When it comes to your health and well-being, choosing the right homecare package is of utmost importance and navigating this process can be overwhelming. With Cavendish Homecare by your side, you’ll have the support you need to remain safely at home while enjoying elevated health and wellbeing.

If you would like to enquire about our homecare services, contact us on, 02030085210 or email us at info@cavendishhomecare.com.

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