Hip arthroscopy success and failure rates and non-surgical options

Ross A. Hauser, MD
Danielle R. Steilen-Matias, MMS, PA-C

Hip arthroscopy success and failure rates and non-surgical options

If you are reading this article you likely have a somewhat lengthy medical history of hip problems and you have graduated to the point where the various surgical options are now being discussed with you. You may have just returned from a follow-up visit to your orthopedic surgeon. You may have gotten a prescription for stronger pain medications, cortisone, or hyaluronic acid injections to help hold you over until surgery can be performed.

Over time your orthopedic surgeon may have been exploring conservative care options for you but now you have more pain and more hip instability following these treatments. Your hip may be making a lot of noise such as grinding, clicking, and popping as a signal to you that something is not right.

So now you are in a situation where a hip preserving (not a replacement) arthroscopic surgery may be recommended. Your situation may be a little more concerning in that your surgeon is telling you there is a very good chance the surgery will not work that well and that you may need to be managed along until such time that you can get a hip replacement.

For some people hip arthroscopic surgery can be very beneficial. These are typically not the people we see in our offices. We see the people for whom the surgery did not help as much as had been hoped for and now the patients are trying to figure out their next move. Hip replacement, maybe more arthroscopic surgery, other options.

“Understanding risk factors for conversion to total hip replacement or revision is paramount during discussions with patients.”

In the surgical journal Orthopedics (1), researchers wrote in May 2020:

“Hip arthroscopy for femoral and acetabular pathologies has increased dramatically. However, there is little literature analyzing procedures as predictors of revision arthroscopy or arthroplasty.” (In other words, there are a lot of surgeries and there is really no studies that suggest how many of these hip arthroscopes needed to be redone in a “revision surgery,” or how many of these surgeries did not work out and wound up turning into eventual hip replacement surgeries.)

What the researchers in this study did was to go back and look at patients undergoing first-time hip arthroscopy for a labral tear with a minimum 2-year follow-up and between 18 and 60 years old.

Conclusion: “Understanding risk factors for conversion to total hip replacement or revision is paramount during discussions with patients.”

Who are the high-risk groups for failed hip arthroscopic surgery? People who already had failed hip arthroscopic surgery

Many patients we see come in after undergoing an arthroscopic hip surgery that did offer the hope or promise of pain relief that the patient thought would be the outcome of their procedure.

A July 2020 study published in The Bone & Joint Journal (2) and lead by Cambridge University Hospitals in the United Kingdom found that “the most frequently reported risk factor related to a less favorable outcome after hip arthroscopy was older age and preoperative osteoarthritis of the hip. (The more surgeries the higher the risk for failure). . . . Athletes (except for ice hockey players) enjoy a more rapid recovery after hip arthroscopy than non-athletes.

Who are the high-risk groups for failed hip arthroscopic surgery? People with bone spurs, hip impingement, and hip instability

A July 2020 paper in The Journal of the American Academy of Orthopaedic Surgeons (3) stated:

“There has been an exponential increase in the diagnosis and treatment of patients with femoroacetabular impingement, leading to a rise in the number of hip arthroscopies done annually. Despite reliable pain relief and functional improvements after hip arthroscopy in properly indicated patients, and due to these increased numbers, there is a growing number of patients who have persistent pain after surgery.

The etiology of these continued symptoms is multifactorial, and clinicians must have a fundamental understanding of these causes to properly diagnose and manage these patients. Factors contributing to failure after surgery include those related to the patient, the surgeon and the postoperative physical therapy.”

The common causes of failure, residual bony deformity (what’s left of incomplete bone spur removal causing still causing hip impingement) as well as a capsular deficiency (degenerative hip instability).

Who are the high-risk groups for failed hip arthroscopic surgery? People who had an incomplete surgery

In the above study, residual bony deformity is cited as the main problem in failed hip arthroscopic surgery. Five years earlier in 2015, doctors writing in the Clinical Orthopaedics and Related Research (4) suggested that in reviewing patients who had failed hip arthroscopic surgery, they found “marked radiographic evidence of incomplete correction of deformity in patients.”


So why are you being recommended to hip arthroscopic surgery?


People think it is time for surgery when his/her leg is giving out or gets stuck

If you went to your surgeon, he/she may explain to you that you are being recommended to hip arthroscopic surgery in an effort to save or preserve your hip. One of the great benefits of this surgery, you are told, is that it will fix the things such as labrum tears and the loss of cartilage through microfracture, which will stop the progression of osteoarthritis and help you avoid hip replacement.

Most people who come to see us for non-surgical hip pain options are recommended to surgery and in some cases get the surgery because their hip gets stuck, and the frequency of their hip freezing up or being stuck increased and so did the pain when it happened. When it does happen, many of these patients, and probably you also, have specific tricks for wiggling or shaking your leg that will free the hip up. At this point the patient, and you, have decided something more needs to be done. Your doctor appointments have now left you with a typical diagnosis of:

 

In this photograph, full thickness cartilage lesions are seen even after arthroscopic hip surgery. The procedure performed was a hip labrum repair with a cadaver graft. This is an example of a "patch" surgery. The goal of the surgery was to patch a hole but the problems that cause the full thickness tear or the "hole," was not addressed. Hip joint instability that continued wearing and tearing at the hip and would make this patient a likely candidate for hip replacement had they not sought regenerative injection therapy.

In this photograph, full-thickness cartilage lesions are seen even after an arthroscopic hip surgery. The procedure performed was a hip labrum repair with a cadaver graft. This is an example of a “patch” surgery. The goal of the surgery was to patch a hole but the problems that caused the full thickness tear, the “hole,” were not addressed. Hip joint instability that continued wearing and tearing at the hip and would make this patient a likely candidate for hip replacement had they not sought regenerative injection therapy.

“Iatrogenic (surgery causing) gross hip instability following hip arthroscopy is a concerning complication described in the recent orthopedic literature.”

Many people do have great success with hip surgery. These are the people we do not see. What we see are the patients trying to avoid the first surgery, we also see the patients trying to figure out what to do to avoid a second or revision surgery. For some of you reading this article, perhaps nothing is as disappointing s a surgery that has failed and that is why you are here.

What is hip instability? Hip instability to you means grabbing for a chair, railing, or anything you can hold onto because your leg just gave way. It can also mean looking at a staircase as if it were a mountain or preparing yourself for the pain by holding onto the car door as you prepare to get in or out of your vehicle. You may be sleeping with a pillow between your legs because sleeping on your hip is painful too.

To the medical community, hip instability is a degenerative hip disease. The steady wear and tear erosion of your hip will eventually lead to hip replacement. Because hip replacement is a big surgery, with long recoveries, and significant complications, medicine is offering a lesser surgery that it is hoped will prevent the need for the larger surgery.

Here is an example of the type of research that discusses hip instability, is a recent study from the journal Knee Surgery, Sports Traumatology, Arthroscopy. (5)

“The increasing use of hip arthroscopy has led to further development in our understanding of hip anatomy and potential post-operative complications. Iatrogenic (surgery causing) gross hip instability following hip arthroscopy is a concerning complication described in the recent orthopaedic literature. Post-arthroscopy hip instability is thought to be multifactorial, related to a variety of patient, surgical and post-operative factors. . . This study reports a case of gross hip instability following hip arthroscopy, describing a (new surgical) technique of management through anterior hip capsuloligamentous reconstruction with Achilles tendon allograft.”

Did you get all that? Follow the path:

  1. The patient has hip pain and instability
  2. The patient is recommended to arthroscopic labral or other clean up and repair surgeries
  3. The surgery that promised repair, stability, and relief of pain, itself caused instability and more pain. (Mostly from dislocation and chronic subluxation (the hip keeps popping out of place)).
  4. One solution was to come up with a surgery to fix the surgery.

These surgeries were designed to save the hip from a hip replacement, but, to do so, the surgeries needed to halt or significantly slow the progression of osteoarthritis. As research points out, surgery many times will not achieve this goal.

Hip preserving arthroscopic surgery complications and concerns

In a recent study published in the journal Knee Surgery, Sports Traumatology, Arthroscopy (6) hip range of motion and adduction strength (the lateral movement of the hip joint)  were associated with weakened and damaged hip labral tears and considered to be important quality-of-life in patients with labral problems. This clearly indicates that patients wantrepair, not tissue removal.

Does hip preserving arthroscopic surgery lead to hip replacement anyway? The evidence.


A study of 1013 patients who had undergone Joint-preserving surgery of the hip

A 2017 study from surgeons at The Ottawa Hospital published in the Bone and Joint Journal (7made these observations concerning surgical complications.

The doctors reviewed 1013 patients who had undergone Joint-preserving surgery of the hip by a single surgeon between 2005 and 2015. There were 509 men and 504 women with a mean age of 39 years (16 to 78).

Of the 1013 operations:

The doctors analyzed the overall failure rates and modes of failure. Re-operations were categorized into four groups:

At an average follow-up of 2.5 years, there had been:

Opioid-related complications in hip arthroscopy

An October 2017 study published in the American Journal of Sports Medicine (8) comes doctors at the University of Pittsburgh Medical Center and University of Texas Southwestern. In it, the doctors discuss opioid-related complications in hip arthroscopy.

The concern is: “There is a lack of high-quality evidence on this topic, and further research is needed to determine the best approach to manage postoperative pain and optimize patient satisfaction.”

Doctors warn patients that joint-sparing surgery may complicate the eventual hip replacement in patients over 50.

A study from the Steadman Philippon Research Institute appearing in the Clinical Orthopaedics and Related Research looked at 96 patients over the age of 50 who had “joint-preserving hip arthroscopy.”(9)

But the numbers are not what this research was all about. The research sought to predict who would need the hip replacement after the arthroscopy – and the best predictions came after radiographic evidence. If there was a joint space of 2 mm or less (meaning the cartilage had worn down) 80% of those patients would need a total hip replacement. It is all about the joint space.

Hip preserving arthroscopic surgery or Hip Replacement?

As mentioned above, medicine’s way is to seek and find new procedures. As I mentioned above if femoroacetabular impingement and labrum tears are risk factors for later development of hip osteoarthritis and current operations are not halting the development of hip osteoarthritis, then what is needed are newer operations.

The problems of hip arthroscopy have led many to abandon the procedure in favor of total hip replacement. In recent years, however, hip arthroscopy has evolved and returned to prominence. A 2014 study in the Bone and Joint Journal says:

When you should consider surgery and when it is realistic to expect surgery can be avoided


Prolotherapy injections. Can they help you?

Prolotherapy is an injection of simple sugar, dextrose. Dozens of research studies have documented Prolotherapy’s effectiveness in treating chronic joint pain.

In this video, Ross Hauser, MD demonstrates and describes the Prolotherapy treatment. A summary transcription is below the video.

Is Prolotherapy an appropriate treatment for you?

When we receive hip x-rays from prospective patients via email, they provide a good assessment of how many Prolotherapy treatments might be needed to achieve the patient’s goals. The best assessment would be an in-office physical examination.

Published research papers from our doctors at Caring Medical on Hip Disorders

In the Journal of Prolotherapy, we sought to show how Prolotherapy could provide high levels of patient outcome satisfaction while avoiding hip surgery. Here is what we reported:

Patients in the study have contacted an average of 19 months following their last Prolotherapy session and asked questions regarding their levels of pain, physical and psychological symptoms, and activities of daily living, before and after their last Prolotherapy treatment.

Results: In these 94 hips,

The results confirm that Prolotherapy is a treatment that should be highly considered for people suffering from chronic hip pain.

If you have questions about your hip pain, you can get help from our Caring Medical staff

1 Hammarstedt JE, Laseter JR, Gupta A, Christoforetti JJ, Lall AC, Domb BG. Identifying the Most Successful Procedures in Hip Arthroscopy. Orthopedics. 2020 Feb 5;43(3):173-81. [Google Scholar]
2 Kuroda Y, Saito M, Çınar EN, Norrish A, Khanduja V. Patient-related risk factors associated with less favorable outcomes following hip arthroscopy. Bone Joint J. 2020;102-B(7):822-831. doi:10.1302/0301-620X.102B7.BJJ-2020-0031.R1 [Google Scholar]
3 Makhni EC, Ramkumar PN, Cvetanovich G, Nho SJ. Approach to the Patient With Failed Hip Arthroscopy for Labral Tears and Femoroacetabular Impingement. JAAOS-Journal of the American Academy of Orthopaedic Surgeons. 2020 Jul 1;28(13):538-45. [Google Scholar]
4 Ross JR, Larson CM, Adeoyo O, Kelly BT, Bedi A. Residual deformity is the most common reason for revision hip arthroscopy: a three-dimensional CT study. Clinical Orthopaedics and Related Research®. 2015 Apr 1;473(4):1388-95. [Google Scholar]
5 Yeung M, Khan M, Williams D, Ayeni OR. Anterior hip capsuloligamentous reconstruction with Achilles allograft following gross hip instability post-arthroscopy. Knee Surgery, Sports Traumatology, Arthroscopy. 2017 Jan 1;25(1):3-8. [Google Scholar]
6 Kemp JL, Makdissi M, Schache AG, Finch CF, Pritchard MG, Crossley KM. Is quality of life following hip arthroscopy in patients with chondrolabral pathology associated with impairments in hip strength or range of motion?. Knee Surgery, Sports Traumatology, Arthroscopy. 2016 Dec 1;24(12):3955-61.  [Google Scholar]
7 Beaulé PE, Bleeker H, Singh A, Dobransky J. Defining modes of failure after joint-preserving surgery of the hip. Bone Joint J. 2017 Mar;99-B(3):303-309. doi: 10.1302/0301-620X.99B3.BJJ-2016-0268.R1.  [Google Scholar]
8 Shin JJ, McCrum CL, Mauro CS, Vyas D. Pain Management After Hip Arthroscopy: Systematic Review of Randomized Controlled Trials and Cohort Studies. The American Journal of Sports Medicine. 2017 Oct 1:0363546517734518. [Google Scholar]
9 Philippon MJ, Briggs KK, Carlisle JC, Patterson DC. Joint Space Predicts THA After Hip Arthroscopy in Patients 50 Years and Older. Clinical Orthopaedics and Related Research. 2013;471(8):2492-2496. doi:10.1007/s11999-012-2779-4.  [Google Scholar]
10 Leunig M, Ganz R. The evolution and concepts of joint-preserving surgery of the hip.Bone Joint J. 2014 Jan;96-B(1):5-18. doi: 10.1302/0301-620X.96B1.32823. [Google Scholar]

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