RecruitingNAINTERVENTIONAL

Postoperative Cryocuff vs. Conventional Icepack in TKA - What is More Effective in Reducing Pain and Swelling?

This research is looking at how to best manage discomfort after a total knee replacement operation. Many people experience pain and swelling in their knee afterwards. The study wants to compare two common methods for cooling the knee: a 'cryo cuff', which is a special cooling device, and a standard ice pack. By comparing these, the researchers hope to understand which method is more effective at reducing pain and swelling, ultimately helping future patients have a more comfortable recovery. It's important to find the best ways to ease these common side effects of surgery.

At a glance

Status

Recruiting

Phase

Sponsor

Prof. Dr. med. Andreas Halder

Enrolment target

102

Start

27 May 2026

Estimated completion

01 May 2027

Postoperative Swelling After TKA Postoperative Pain After Tka

What is this study about?

When you have a total knee replacement (TKA), it's very common to experience pain and swelling in your knee afterwards. Managing these symptoms is a big part of your recovery. There are different ways to cool the knee, which can help reduce both pain and swelling. This study wants to find out which approach works best for people having this surgery.

The researchers are specifically comparing a 'cryo cuff' with a conventional (or regular) ice pack. A cryo cuff is a special device that wraps around the knee and provides continuous cold therapy. A conventional ice pack is what you might typically think of as an ice pack. The study will look at how much pain and swelling patients have with each method.

By comparing these two cooling methods, the doctors hope to learn if one is significantly better than the other. This information could then help improve how hospitals care for patients after knee replacement surgery, making recovery more comfortable for everyone.

Key takeaways

Compares two ways to cool the knee after surgery: a special cuff versus ice packs.
Aims to find the best way to reduce pain and swelling after knee replacement.
Requires participants to be having their first total knee replacement.
Involves tracking pain levels and knee tightness for about four weeks.
The findings could help improve future patient care after knee surgery.

Who may be eligible?

To join this study, you must be at least 18 years old and be having your first-ever total knee replacement surgery (this means you haven't had one on that knee before). You also need to be willing to fill out some forms and keep track of your pain levels and how tight your knee feels for about four weeks after your operation.

There are also some reasons why you wouldn't be able to join. For example, if you are very overweight (with a BMI of 40 or more), or if you have swelling called lymphedema, or are having a special massage therapy for swelling called lymphatic drainage, you wouldn't be able to take part.

Also, if you've already had a knee replacement revised (meaning it was redone) or are having only a partial knee replacement, this study isn't for you. Hospital staff involved in the study or their close family members also cannot participate.

Could this study suit you?

Answer these quick questions to see if you may be eligible. This is a guide only — the research team makes the final call.

Are you 18 years old or older?
Are you having your very first total knee replacement surgery?
Are you willing to track your pain and knee feeling for four weeks?
Do you have a BMI less than 40?
Do you *not* have lymphedema or receive lymphatic drainage therapy?

Answer every question to see your result.

What does participation involve?

If you join this study, you'll either receive the special cryo cuff treatment or regular ice packs after your knee replacement surgery. The study involves several appointments called 'examinations' both before and after your surgery, where doctors will check on your recovery and collect information. You'll be asked to keep a record of your pain levels using a simple score (NRS score) and describe how your knee feels in terms of tightness for about four weeks after your operation. The study will continue until enough people have joined and their results have been collected and reviewed.

Potential risks and benefits

Taking part in this study may offer a potential benefit by helping to find the most effective way to manage pain and swelling after knee replacement surgery, which could benefit future patients. For you personally, you will receive one of the standard cooling treatments often used after this type of surgery. There are no major extra risks identified beyond what you would expect from standard knee replacement care and recovery, as both methods (cryo cuff and ice pack) are commonly used. You are always free to leave the study at any time, for any reason, without it affecting your usual medical care.

Locations (1)

Sana Kliniken Sommerfeld
Verified postcode
Kremmen, Germany· Recruiting

Common questions

What is a total knee replacement (TKA)?

It's an operation where a damaged knee joint is replaced with an artificial one to help with pain and movement.

What is a 'cryo cuff'?

It's a special device that wraps around your knee and provides continuous cold to help reduce swelling and pain.

Will I know which treatment I'm getting?

The study design isn't specified, but often in these types of studies, participants are assigned to one group and may or may not know which cooling method they are receiving.

How long will I need to track my pain?

You'll be asked to document your pain and how your knee feels for about four weeks after your surgery.

What is the 'NRS score'?

It's a simple way to rate your pain, usually on a scale from 0 (no pain) to 10 (worst pain imaginable).

How to find out more

Thomas Gerhards

thomas.gerhards@sana.de +493305552273 Official trial record

Always speak to your GP or specialist before deciding to take part in a study.