Redness after suture removal is typically caused by the body's natural inflammatory response to the healing process. When the sutures are removed, the skin is still in the process of healing, and the body sends blood flow to the area to aid in the repair process. This increased blood flow can cause the skin to appear red and slightly swollen. In most cases, this redness is temporary and will gradually fade as the healing process continues. If the redness persists or is accompanied by other concerning symptoms, it's important to consult a healthcare professional for further evaluation. **

The suture thread used for spaying a cat is typically an absorbable suture material, such as polyglactin 910 (e.g. Vicryl) or polydioxanone (e.g. PDS). These materials are designed to be absorbed by the body over time, eliminating the need for suture removal. The choice of suture material may vary depending on the veterinarian's preference and the specific needs of the cat. **

The reviews of MPFL reconstruction by suture are generally positive, with many patients reporting improved stability and reduced pain in the knee. This technique is often considered less invasive than other methods of MPFL reconstruction, leading to faster recovery times and less post-operative discomfort. However, some studies have suggested that the long-term outcomes of MPFL reconstruction by suture may not be as favorable as other techniques, so it is important for patients to discuss their options with a qualified orthopedic surgeon to determine the best approach for their individual needs. **

Nylon is not biodegradable in the human body because it is a synthetic polymer made from long chains of carbon-based molecules. These molecules are not easily broken down by the body's natural processes, so the nylon suture material remains intact for a long time after being implanted. This can lead to complications such as inflammation or infection if the body is unable to fully absorb or expel the non-biodegradable material. As a result, biodegradable suture materials, such as those made from natural substances like catgut or synthetic polymers that break down over time, are often preferred for medical use. **

Numbness in the finger after a suture can be caused by nerve damage during the suturing process. If the needle or suture material accidentally damages a nerve in the finger, it can lead to temporary or permanent numbness. Additionally, swelling or inflammation around the sutured area can put pressure on the nerves, leading to numbness. It is important to seek medical attention if numbness persists after a suture to determine the cause and receive appropriate treatment. **

A suture on a dog typically does not need a small exit with a tube. Sutures are used to close wounds or surgical incisions, and the thread is usually tied off and trimmed close to the skin. In some cases, a drain tube may be placed to help with drainage of fluids from a wound, but this is not typically necessary for a simple suture. It is best to follow your veterinarian's specific instructions for post-operative care to ensure proper healing. **

No, it is not normal for a piece of suture thread to still be stuck in the wound. Suture threads are typically designed to dissolve or be removed after a certain period of time, and if a piece is still present in the wound, it may lead to complications such as infection or delayed healing. It is important to seek medical attention to have the remaining suture thread properly removed to prevent any potential issues. **

It is not uncommon for a cat to have a red spot under the suture after being spayed. This can be a normal part of the healing process as the body responds to the surgery. However, it is important to monitor the spot for any changes such as increased redness, swelling, or discharge, as these could be signs of infection. If there are any concerns, it is best to consult with a veterinarian for further evaluation and guidance. **