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Endoscopic Carpal Tunnel Release (ECTR)... is a scope procedure!

Artist view of ECTR depicted with skin and muscle removed. The nerve, artery and tendons are protected by the steel sheath. Artist view of ECTR depicted
with skin and muscle removed.
The nerve, artery and tendons
are protected by the steel sheath.

Cross section of a wrist
This is a cross section of the wrist
during ECTR surgery. The arrow is
pointing to the endoscopic
knife that will release
the carpal tunnel. 

A complete, permanent endoscopic release of the carpal tunnel is performed at only a few select hand surgery practices nationally. You have researched and found the best! Dr. Ichtertz has performed over 10,000 of these since 1992. The nerves, arteries and tendons are safely out of reach of the special knife used to release the ligament. Only the tight transverse carpal ligament (TCL) that is crushing the median nerve causing the wrist and hand pain is released. 

The same day of surgery you will probably be telling others that your suffering has ended! Our patients from many occupations return to their activities in just hours. NO BRACES, NO LARGE SCARS, NO PHYSICAL THERAPY IS NEEDED. Patients frequently tell us they're amazed!

History of Endoscopic Carpal Tunnel Release

 Carpal tunnel solution is a nagging problem that almost always has a surgical endpoint. Endoscopic carpal tunnel release (ECTR) evolved as the ongoing attempts of physicians interested in carpal tunnel syndrome attempted to come up with a less painful solution. Crystals, copper bands, exercises, bracing, cortisone injections, etc. do not solve carpal tunnel syndrome. Traditional open surgery releasing four tissue layers, when only the transverse carpal ligament and the next layer (deep palmar aponeurosis) are causing the problem, is a little bit extreme. Dr. Okutsu of Japan proved this in 1986 but didn't publish his research until 1989. Regardless of the size of the incision, traditional open carpal tunnel release ("filet-of-wrist") done by an incision in the palm of the hand tends to keep a person off the job or in a diminished capacity for 6 to 12 weeks or more (see OCTR results). Open carpal tunnel release has been associated with many side effects including sympathetic dystrophy or chronic regional pain syndrome (see CRPS), an unappealing visible scar, wound separation, pain from damage of the palmar cutaneous nerve, and recurrence. 

In 1946, Brain et al in England determined that carpal tunnel syndrome was related to having an entrapped median nerve at the carpal tunnel in six patients that were being treated. Later it was found by others that the myelin sheath (collective term for the Schwann cells wrapped around the nerve cells) would decay in response to pressure. Nerve conduction study to confirm and localize nerve damage was introduced in the early 1950s and continues to evolve. There is no direct correlation between the magnitude of the abnormalities on nerve conduction study and the symptoms a person has or whether they have symptoms at all. There is also no close relationship between the magnitude of the abnormalities on nerve conduction study and the results of surgery. A nerve conduction study is diagnostic, not prognostic. 

It was only in 1981 that pressure was proven to be the underlying cause of carpal tunnel syndrome by Gelberman et al at UC San Diego. Prior to this pressure was presumed to be the problem. This finding has created a bit of controversy and the study has been repeated numerous times in various centers around the world. Pressure within the normal carpal tunnel is almost zero. It goes up very little with changing posture of the normal wrist. Patients with carpal tunnel syndrome have substantially elevated pressure at baseline which increases dramatically with bending of the wrist. 

Questions continued as to what could be done to minimize the pressure in the carpal tunnel. Wearing a wrist brace at night prevents the marked increase in pressure that occurs with bending of the wrist, so it helps some people temporarily while they are waiting to have their surgery. Wrist braces do not solve the problem. 

In 1986, Dr. Ichiro Okutsu took a group of patients with classical symptoms of carpal tunnel syndrome, confirmed their diagnosis with electrodiagnostic studies, inserted a pressure monitor into the carpal tunnels of these individuals and then, using a fairly large incision above the wrist, he reached into the wrist visualizing with an arthroscope and inserted a small knife allowing him to cut the transverse carpal ligament (TCL) compressing the median nerve. He then re-measured the pressure in the carpal tunnels and he reevaluated the patients. He noted after surgery that their symptoms promptly resolved.

The pressure was confirmed to have been relieved by pressure measurements, and the patients did very well. Before he published his research, Dr. Okutsu had completed a couple thousand carpal tunnel surgeries this way. In a follow-up study, Dr. Okutsu reported that additional tissue needed to be released in a large percentage of the patients at the time of the surgery in order to be certain that adequate decompression of the carpal tunnel had occurred. This subsequent research went largely unnoticed by the majority of the surgical community. Early adopters of endoscopic carpal tunnel release not paying attention to this had many dissatisfied patients going on to repeat surgery. This highlights that it is critical to pay attention to detail.

During carpal tunnel release surgery, the pressure is released from the carpal tunnel as proven in postoperative pressure measurements. This correlates with elimination of symptoms. Symptom relief is noted immediately in those patients who were awakening at night because of numb or painful hands.

While Dr. Okutsu was doing his research, additional variations of endoscopic techniques were made in the United States. These additional techniques include the "Inside Job" by Dr. John Agee in Sacramento, California; the two-portal Chow endoscopic carpal tunnel release; the two-portal Brown endoscopic carpal tunnel release (almost identical to Chow's technique); the retrograde two-portal endoscopic carpal tunnel release; and the Carposcopic endoscopic carpal tunnel release. There is also a Linvatec endoscopically-assisted procedure and Arthrex has introduced their variation. Thus, there are a host of different endoscopic carpal tunnel release techniques.

At the Nebraska Hand & Shoulder Institute, P.C./ Carpal Tunnel Relief Centers, Dr. Ichtertz uses a two-portal technique because he feels it is safer. Coincidentally it costs less and is eco-friendly by eliminating expensive disposables. Though laser has gotten a lot of press, it is just a hot knife and really has no place in endoscopic carpal tunnel release. If we were to use a laser in this procedure we would end up escalating the cost without improving the benefit. Also, the surgery would most likely take longer to do with a laser.

It has been determined that release of the transverse carpal ligament during carpal tunnel release increases the carpal tunnel volume about 25%. So, the net effect of carpal tunnel release surgery (releasing the transverse carpal ligament and palmar aponeurosis) is to take pressure off the median nerve by widening the carpal tunnel. The endoscopic technique does so with less tissue damage because only two layers (transverse carpal ligament and deep palmar aponeurosis) rather than four layers are released. No tissue is removed. The space is just widened, like loosening a belt buckle after eating too much.

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