Journal of Orthopedic Research & Physiotherapy Category: Medical Type: Research Article
Rehabilitation after Hip Arthroscopy
- Alessandro Aprato1*, Marco Gastaldo2, Francesco Pasquero2, Alessandro Masse2
- 1 Department Of Orthopaedics, Traumatology And Rehabilitation, University Of Torino, Viale 25 Aprile 137 Int 6, 10133 Torina, Italy
- 2 Department Of Orthopaedics, Traumatology And Rehabilitation, University Of Torino, Torino, Italy
*Corresponding Author:Alessandro Aprato
Department Of Orthopaedics, Traumatology And Rehabilitation, University Of Torino, Viale 25 Aprile 137 Int 6, 10133 Torina, Italy
Received Date: Dec 01, 2014 Accepted Date: Jan 09, 2015 Published Date: Jan 23, 2015
Hip arthroscopy has gained considerable popularity in the past decade and currently several hip pathologies may be addressed with this technique. Because of evolving indications, several steps of the procedure are debated at the moment. One of the most common topics of debate is the post-operative rehabilitation: a number of post-operative physiotherapy protocols have been described in the literature but there is no consensus on several aspects of rehabilitation in those patients.
In this paper we reviewed studies regarding rehabilitation after hip arthroscopy. These were analysed to describe indications for postoperative weight bearing, range of motion exercises, phases of rehabilitation and return to sport.
Most of the published studies are based on authors’ personal experience and often present poor evidence for their conclusion. Furthermore heterogeneity of published rehabilitation protocols does not allow clear conclusions about this topic a part from the indication for immediate post-operative passive motion and for sport return around the twelfth and sixteenth post-operative weeks. Further studies will be necessary to support these statements with higher level of evidence and to understand which steps of rehabilitation may significantly improve clinical results.
|Articular cartilage lesions|
|Loose body retrieval|
|Muscle injuries around the hip|
|Painful hip replacement or resurfacing|
|Nerve release around the hip|
|Hip fractures or dislocation|
|Torn ligamentum teres|
|Foreign body retrieval (eg., bullet)|
Early full weight bearing (before six weeks post op), poor bone quality (osteopenia or frank osteoporosis) and intensive post-operative activity have been described as risk factors for this complication, although neck fracture has been described also in patient without those peculiarities . Therefore some authors [4,12] proposed rehabilitation protocols with six weeks of protected weight-bearing, especially in patients with poor bone quality or aged >40 years.
Six weeks were suggested by Nassif et al., , who despite some weaknesses in their study, suggested that osseous re-modeling occurs in most of hips after osteochondroplasty with toe-touch weight-bearing for six weeks. The authors also reported complete re-corticalisation of the resected margins at a mean of 20 months after surgery and literature showed also that there is no recurrence of cam deformity at 2 years after femoral neck osteoplasty for femoroacetabular impingement .
On the other hand, several authors [11-13] allow their patient to bear weight as tolerated after surgery if they have no risk factors. Byrd  underlined that the recovery strategy depends on the extent of pathology and the subsequent procedure. In his report, for simple labral debridement and re-contouring of the acetabular rim, the athlete could bear weight as tolerated immediately after surgery. The athlete was allowed to bear full weight, but he or she needs to use crutches to avoid twisting movements during the first four weeks. If the labrum was refixed, then the repair site was protected during the early healing phase by protected weight-bearing for the first four to six weeks.
Since there is no consensus on this topic, Jayasekera et al.,  designed a case-control study that showed there is no need to enforce a defined period of partial weight bearing on crutches after hip arthroscopic surgery, irrespective of the procedure undertaken. Results demonstrated no significant difference in postoperative modified Harris Hip Score between the two groups (four weeks partial weight bearing on crutches versus fully weight bear immediately after surgery if comfort allowed) at six weeks and six months after surgery.
Immediate post-operative period
Willimon et al.,  reported that an early physiotherapy (within four post-operative hours) rehabilitation program including circumduction exercises performed multiple times per day significantly reduces the revision arthroscopy rate and may reduce the incidence of adhesions. The author recommended continuous passive movement immediately post-operatively and exercise focused on range of movement improvement as soon as pain allows. Stationary bicycles without resistance have also been recommended in the second day after surgery.
Range of motion exercises
Nho et al.,  are more conservative and suggested a standardized postoperative rehabilitation protocol: 6 weeks of hip immobilization and passive Range of Motion (ROM), then 6 weeks of active ROM, followed by 12 weeks of hip strength and conditioning.
Based on their large experience, Philippon et al.,  recommended limitation of active hip flexion for 4 weeks, based on clinical observation, to minimize the risk of hip flexor tendonitis while Byrd  suggested to avoid twisting movements during the first 4 weeks.
Edelstein et al.,  and Enseki et al., [23,24] underlined the importance of ROM precautions (avoid excessive early flexion and abduction, avoid forced external rotation and extension for 3-4 weeks to protect anterior capsule) for individuals undergoing procedures to address capsular laxity of the hip (thermal modification or plication).
Selkowitz  suggested that excessive activation of the Tensor Fasciae Latae (TFL) during therapeutic exercises may be counterproductive in the treatment of disorders in which excessive hip internal rotation may be a contributing factor. Several hip exercises may be helpful because they preferentially activated the gluteal muscles while limiting recruitment of the TFL: the most common used ones are clam, quadruped hip extension, unilateral and bilateral bridge, squat and sidestep. Gluteal, quad, and iliopso as isometrics performed in prone position are recommended to promote neutral hip position and limit anterior soft tissue tightness.
Malloy et al.,  recommended focusing on the tranversus abdominus and multifidus for lumbar spine stability with transfers. As the patient progresses, more emphasis is placed on gluteal muscle strengthening especially the gluteus medius and hip abductors due to their role of frontal plane stability of the pelvis in functional activities such as gait. The progression of external rotator strengthening is recommended to begin with partially loaded, band?resisted, external rotation using a stool. Once the patient can maintain stability in the frontal plane (appropriate hip abductor strength), they can initiate resisted hip external rotator strengthening in a full?weight bearing position.
Phases of rehabilitation
Eldestein et al.,  proposed four phases of rehabilitation. The goal of Phase I (0-6 weeks), the protective phase, is to progressively regain 75% of full ROM and normalize gait while respecting the healing process. The aim of Phase II (6-12 weeks) is to achieve independence in daily activities with little or no discomfort. Phase III (12-20 weeks) goals strive to accomplish pain free, non-compensated recreational activities and higher demand work functions. Phase IV (20–28 weeks) requires the patient be independent with home and gym programs and be asymptomatic and pain free following workouts. The primary goal of this phase was not only to return to a pain free competitive state, but also to avoid both breakdown and any type of an acute inflammatory response during the process.
Malloy  described similar four phases of rehabilitation but emphasized the importance of initial protection and restoration of lumbo-pelvic stability before neuromuscular re-education. Milestone of this protocol was the restoration of normal gait without pain or compensation and only when achieved the patient may advance in the rehabilitation process. The authors’ experience leads them to state that patients who are prematurely advanced in their rehabilitation while having impairments (abnormal gait patterns, pelvic and hip instability, inadequate strength and endurance, inappropriate trunk and neuromuscular control, overuse, inadequate mental confidence in the injured side, discontinuation of a maintenance program) often have difficulty with progression through the later phases of rehabilitation.
Also Cheatham  presented an equivalent four-phase rehabilitation program for a high school football player who underwent hip arthroscopy with a labral repair and chondroplasty. Phase I, II and III were similar to the other authors’ proposal while the focus of Scott’s phase IV was to work towards returning to competition.
The postoperative rehabilitation protocol of Nho et al.,  is more conservative: 6 weeks of hip immobilization and passive Range of Motion (ROM), then 6 weeks of active ROM, followed by 12 weeks of hip strength and conditioning.
Similarly, Sherry  described three rehabilitation phases. Phase I (0-6 weeks) with focus on protection of the post-surgical hip through limited weight bearing and education on avoiding pain with range of motion exercises. Phase II (begins after meeting phase I criteria, about 4-6 weeks): regain and improve muscular strength, progress off crutches for all surfaces and distances, single leg stand control. Phase III (about 10-12 weeks): improve muscular strength and endurance, good control and no pain with sport and work specific movements, including impact activities.
Most of the authors agree that there establishment of limb and trunk neuromuscular control is paramount to preventing compensatory imbalances that can lead to continued irritation or re-injury.
Furthermore several authors stated that tendonitis of the hip flexor or adductors, joint edema and irritation, soft tissue imbalance and faulty movement patterns and low back or sacral-iliac pain are common rehabilitation complications if patient rehabilitation progress too fast.
To avoid those complications, Wahoff et al.,  developed a criteria driven algorithm for safe integration and return to sport rehabilitation. They placed emphasis on the minimum criteria to advance through rehabilitation phases including healing restraints, patient reported outcomes, range of motion, core and hip stability, postural control, symmetry with functional tasks and gait, strength, power, endurance, agility and sport-specific tasks.
In order to standardize those criteria, Getz et al.,  proposed a measuring tool that predicts functional post?operative progression and determine patient advancement within a rehabilitation protocol. The Hip Stage-Screening Tool (HSST) was proposed as a means to aid post?operative progression for patients and the medical team. Despite the low statistical value of their study, the authors recommend to quantify patient progression to aid the advancement of rehabilitation.
Most of the opinion leaders [15,21,31,32] agree that return to full competitive activity should usually be recommended between twelfth and sixteenth post-operative weeks and a recent review  showed that 70% of surgeons recommended 12 to 20 weeks as timeframe to sport return while 85% of surgeons recommended that patients need to be able to reproduce all motions involved in their sport without pain as leading criteria. Unfortunately up to date, in literature there is no evidence to support this recommendation.
Furthermore several steps of rehabilitation should be studied and their possible improvement of clinical results evaluated in order to define the best rehabilitation protocol after hip arthroscopy.
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Citation:Alessandro A, Marco G, Francesco P, Alessandro M (2014) Rehabilitation after Hip Arthroscopy. J Orthop Res Physiother 1: 001.
Copyright: © 2015 Alessandro Aprato, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.