Continuous passive motion: just the ticket.
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Humans↗
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Anterior capsulotomy and continuous passive motion in the treatment of post-traumatic flexion contracture of the elbow. A prospective study.
Thirty-three patients who had a post-traumatic flexion contracture of the elbow were managed consecutively with anterior capsulotomy without tenotomy of the biceps tendon or myotomy of the brachialis muscle. The first fifteen patients (Group I) did not receive continuous passive motion postoperatively. Preoperative active extension for Group I was to an average of 48 degrees short of full extension, which improved to 19 degrees at a mean follow-up time of forty-five months. Subsequently, eighteen patients (Group II) received continuous passive motion postoperatively for a mean of six weeks. Preoperative active extension for Group II was to an average of 55 degrees short of full extension, which improved to 23 degrees at a mean duration of follow-up of thirty-five months. The mean preoperative arc of motion for Group I was 69 degrees, which improved to 94 degrees postoperatively. The mean preoperative arc of motion for Group II was 48 degrees, which improved to 95 degrees postoperatively. Five patients in Group I and six patients in Group II had severe preoperative heterotopic ossification. There was no correlation, however, between preoperative heterotopic ossification and the amount that extension of the elbow improved postoperatively. There was no postoperative increase in heterotopic ossification. Four patients in Group I and six patients in Group II had severe post-traumatic osteoarthrosis preoperatively. Anterior capsulotomy is an effective treatment of post-traumatic flexion contracture of the elbow. Although the postoperative use of continuous passive motion did not significantly improve mean active extension, it did improve active flexion and the total arc of motion.
Adolescent↗
Shoulder rheumatoid arthritis associated with chondromatosis, treated by arthroscopy.
We present a case of rheumatoid arthritis that affected the right shoulder and was associated with chondromatosis and multiple loose body formation. The arthritis was treated arthroscopically with satisfactory results after a follow-up period of 15 months. In our case, arthroscopic debridement and partial synovectomy not only relieved the pain but also improved the range of motion the night after surgery. The multiple loose bodies irritating the synovium and causing effusion, crepitus, and locking were also removed. One may need to change portals of the scope and suction cannula to remove loose bodies in different joint spaces. The subacromial space must be searched for loose bodies. Thorough cleaning, lavage, and synovectomy are important parts of this surgery. The continuous passive motion (CPM) machine in the immediate postoperative period was helpful.
Arthritis, Rheumatoid↗
A treatment approach for isolated unicondylar fractures of the proximal phalanx.
We developed a protocol to improve the final total active motion for patients with isolated unicondylar fractures of the head of the proximal phalanx. The protocol includes surgical treatment followed by hand therapy. Surgical fixation is obtained using lag screw technique. Therapy includes immediate mobilization by use of a continuous passive motion machine and controlled active motion. Specially designed splints and Coban wrap are used to control the position of the digit during the first six months following surgery. Silastic gel is used to control scarring. We treated five consecutive patients over a 4-year period using this protocol. Final total active motion of the injured digit averaged 241 degrees--approximately 90% of the normal range of 260 to 270 degrees. No patients required secondary surgery.
Adolescent↗
Passive motion therapy in temporomandibular joint disorders: the use of a new hydraulic device and case reports.
To understand the importance of motion on the structural and functional integrity of the temporomandibular joint (TMJ), the effects of immobilization and mobilization on synovial joints are reviewed. Impaired motion has profound deleterious effects on the synovial membrane, articular cartilage, muscles, ligaments, bone, and periarticular connective tissue. Conversely, motion has been shown to be essential to the maintenance of the structural and functional integrity of synovial joints. As in other synovial joints, the relative lack of the stimulus of mobility of the TMJ contributes to pathogenic mechanisms. Restoration of joint mobility is an important principle in the management of TMJ disorders. Illustrative cases are presented in which passive motion therapy, using a new device with a hydraulic mechanism, was successfully used for rehabilitation of TMJ function.
Adolescent↗
[Fracture induced constriction treated by Continuous Passive Motion (CPM)].
Aspects of the history of treatment of painful joints are commented upon. It is pointed out, that the medical and dental professions have for more than 125 years been aware, that immobilization of joints may have harmful effects. Still, research on therapeutic motion of painful joints dates back only 25 years. A case is reported of fracture associated constriction, possibly due to secondary involvement of the temporalis muscle and especially its tendineous insertion on the muscular process of the mandible. When the patient was treated with the CPM apparatus Mobilimb J1 the interincisal distance increased from 13 mm to 46 mm. According to literature CPM has so far been used only as adjunctive physical therapy after surgical intervention. On the basis of data in the literature the author is studying the effect of CPM on reduced mobility of the jaws as primary treatment without surgery.
Contracture↗
Continuous passive motion in the rehabilitation setting. A retrospective study.
Continuous passive motion (CPM) has been commonly used in the postoperative rehabilitation of patients after total knee arthroplasty. In the acute care hospital, most studies have found CPM to be useful in improving range of motion and reducing length of stay. The benefit of CPM in the rehabilitation hospital has not been studied. The charts of 61 patients who had undergone total knee arthroplasty and subsequently were admitted to the East facility of the Kessler Institute for Rehabilitation were reviewed. Patients were separated into two groups: Group 1 received CPM for 3 to 4 hours/day and physical therapy for 2 hours/day. Group 2 received only physical therapy. There was no significant difference in passive range of motion or length of stay between Group 1 and Group 2. An analysis of the 16 patients who underwent bilateral replacement was undertaken. Patients in Group 1 (n = 7) achieved an average increase in passive range of motion of 20.1 degrees, whereas those in Group 2 (n = 9) achieved an increase of 12.7 degrees (P = 0.18). Power analysis demonstrated the need for 50 patients per subgroup to achieve significance. The lack of statistical significance in this subgroup may be a reflection of the small study population (n = 16). The following conclusions can be drawn concerning the use of CPM in the rehabilitation setting: (1) CPM was of no added benefit to those patients admitted after single knee replacement, and (2) CPM may be beneficial to those patients admitted after bilateral knee replacement.
Aged↗
The effect of continuous passive motion duration and increment on range of motion in total knee arthroplasty patients.
There is insufficient information on continuous passive motion (CPM) parameters in total knee arthroplasty patients for optimal patient outcomes. We compared CPM duration and increments on active and passive range of motion (ROM) in patients who underwent a unilateral total knee arthroplasty due to degenerative joint disease. Forty-five total knee arthroplasty patients were randomly assigned to either a control group, a short CPM duration (3-5 hours per day) group with CPM ROM increased 5 degrees twice daily, a short CPM duration group with CPM ROM increased daily to patient tolerance, a long CPM duration (10-12 hours per day) group with CPM ROM increased 5 degrees twice daily, or a long CPM duration group with CPM ROM increased daily to patient tolerance. Active and passive flexion and extension were measured goniometrically on each postoperative day that the patient was treated by physical therapy. No statistically significant differences between groups were found for baseline and final postoperative ROM. The CPM groups did not maintain the parameters assigned and were combined, revealing an enhanced rate of change of flexion. Most patients opted for a CPM duration of between 4 and 8 hours per day and the patient-preferred CPM incremental increase in ROM was 6-7 degrees/day.
Aged↗
Passive exercise system: effect on muscle activity, strength, and lean body mass.
There is little information concerning the effects of passive exercise training in healthy humans. This prompted an investigation to evaluate muscle activity and the associated changes in strength and lean body mass resulting from a passive exercise program. Twenty-eight healthy volunteers, aged 26 to 44 years, participated in this six-week study. Lean body mass changes were evaluated by tetrapolar bioelectric impedance measurements, strength changes by isokinetic strength evaluation, and muscle activity by surface EMG techniques. Reproducible muscle activity was recorded in all three muscles studied during two of three preselected exercises. This involuntary muscle activity was attributed to fusimotor and postural reflexes. No significant change (p greater than .05), however, occurred in muscle strength or lean body mass at the end of the six weeks. Lack of these physiologic changes in light of the documented muscle activity is attributed to insufficient training effect.
Adult↗
[Motion characteristics of motorized knee splints].
The authors have tested the qualities of eight different motor devices. The following aspects were examined: Correspondence between motion of the motor device and of the limb placed on it. Actual transformation of the range of motion set on the motor device onto the knee joint. Changes in contact forces of the limb during passive motion. With aid of a special measuring device the X- and Y-coordinates of hip-, knee- and ankle joints of the probationer and the motor device are determined. From these coordinates the distances between the centres of rotation of hip-, knee- and ankle joint of the motor device and of the probationer are calculated; so are the degrees of hip- and knee flexion of the motor device and of the limb. For better representation and comparison of the results the authors introduce the notion of the "device quotient" (DQ). This value states which percentage of the amplitude of motion of the motor device is transformed onto the limb and at the same time takes into account the differences of centres of rotation between device and limb. The bigger DQ the better the congruence of device- and limb motion. Only two of the eight examined motor devices guarantee a next to harmonic motion (DQ of 65 to 100 for the knee and 27 to 63 for the hip). They differ from the other devices in that they have the possibility to adjust the centre of rotation of the hip joint to the anatomic centre of rotation of the hip.(ABSTRACT TRUNCATED AT 250 WORDS)
Adult↗
Use of the dual force system to correct chronic knee deformities due to severe haemophilia.
In this study, the use of the dual force system to correct recent or relatively longstanding knee deformities in ten patients is described. (Nine of the patients had severe haemophilia and one had severe von Willebrand's disease.) The mean duration of deformity in these patients was 10 months. The mean range of movement at the affected knee joints increased from 50 degrees at pre-intervention to 110 degrees following 6 weeks of application of the dual force system. In nine of ten patients (90%) the residual flexion deformity ranged from 0 degrees to 10 degrees. The dual force system offers an easily affordable and effective means of correcting a flexion deformity of the knee joint in severely affected haemophilia and allied disorders. More extensive use of this technique in different centres is required to determine its place in the day-to-day management of such patients.
Adolescent↗
Anterior cruciate ligament injuries. Operative and rehabilitative options.
Injury to the ACL carries significant morbidity and it is an injury that afflicts and disables those enjoying a demanding active lifestyle. A decision on the most appropriate treatment is a difficult one and should be taken seriously because all treatment options require dedication and hard work for a successful outcome.
Anterior Cruciate Ligament↗
Continuous passive motion following partial ankle joint arthroplasty.
Retrospective preliminary report of 19 cases undergoing partial ankle joint arthroplasties with open surgical procedures were rehabilitated with continuous passive motion (CPM). Preoperative and post-operative ankle range of motion and subjective findings (pain, physical signs, activity, quality of motion) were evaluated. Results indicated significant increases to ankle joint range of motion with the use of continuous passive motion, decreased pain, increased activity, decreased edema, and improved quality of motion in the majority of patients undergoing ankle joint arthroplasty with continuous passive motion.
Adult↗
Rehabilitation after total knee arthroplasty: a comparison of 2 rehabilitation techniques.
This study was conducted to compare postoperative total knee arthroplasty rehabilitation protocols. The hypothesis of this study was that patients undergoing total knee arthroplasty could achieve range of motion and hospital discharge in the same period using a postoperative rehabilitation protocol that did not use a continuous passive motion machine. This randomized prospective study compared 46 total knee arthroplasties in which a continuous passive motion machine was used with 37 total knees that were rehabilitated with early passive flexion of the knee (named drop and dangle protocol). Postoperative physical therapy regimens were otherwise the same for both groups. Surgical technique was the same for both groups except for closure which was performed in the drop and dangle group with the knee at 90 degrees to 95 degrees flexion. Only patients with osteoarthritis were included in the study, and in both groups of patients received the same prosthetic components. Patients in the drop and dangle group were discharged from the hospital 1 day earlier (p = 0.01) and had a statistically better extension range of 2.8 degrees at 6 months (p = 0.03). Knees in the drop and dangle group had less drainage (p = 0.06). Range of motion and hospital discharge can be achieved in a similar time interval with the drop and dangle technique as with using a continuous passive motion device, and that such a device is not required for postoperative knee rehabilitation.
Adult↗
Resection of elbow ossification and continuous passive motion in postcomatose patients.
Heterotopic periarticular ossifications were surgically excised in 16 elbows of 14 traumatic brain injury patients an average of 18.9 months (range, 4-67 months) after the end of coma. In 11 elbows the ulnohumeral joint was ankylosed in a position that ranged from 0 degrees to 100 degrees of flexion (group 1); in 5 elbows the arc of flexion ranged from 10 degrees to 25 degrees (group 2). Full pronation and supination were present in 15 of the elbows; in 1 the radiocapitellar joint was fixed at 30 degrees of pronation by a partial ossification of the interosseous membrane. The arc of flexion attained after surgery averaged 115 degrees (range, 90 degrees to 145 degrees) in the group 1 elbows and 128 degrees (range, 115 degrees to 140 degrees) in the group 2 elbows. In an attempt to prevent postoperative loss of motion and recurrence of ossification, continuous passive motion was applied to the affected elbow for 6 weeks before starting a fully active rehabilitation program. All the patients were examined at regular intervals after the surgery. The follow-up period ranged from 12 to 60 months (average, 30.7 months). During the follow-up period, all the elbows showed improvement in range of motion and the arc of flexion averaged 95 degrees (range, 30 degrees to 135 degrees) in the group 1 elbows and 116 degrees (range, 80 degrees to 145 degrees) in the group 2 elbows. Patients with poor neuromuscular control lost part of their postoperative range of motion and partial recurrence was observed in 3 elbows. We believe that our improved results, compared with those obtained by previous investigators, may have been due to the prolonged application of continuous passive motion after surgery.
Adolescent↗
Electromyography of the shoulder: an analysis of passive modes of exercise.
Passive shoulder motion is standard early rehabilitation in patients undergoing rotator cuff repair. A number of rehabilitation protocols exist to obtain this goal. This article evaluated different rehabilitation protocols using electromyographic analysis of the rotator cuff muscles to determine if the different protocols promote passive motion. Ten healthy volunteers underwent EMG to investigate the relative activity of the rotator cuff muscles during various exercises used postoperatively following shoulder surgery. The exercises tested were continuous passive motion machine (CPM), pulley, pendulum, self-assisted bar raise using the contralateral arm for power, self-assisted internal and external rotation, therapist-assisted elevation in plane of the scapula, and therapist-assisted internal and external rotation. The relative activity of the supraspinatus, infraspinatus, anterior deltoid, and trapezius muscles were measured and expressed as a percentage of maximal activity. For all muscle groups tested, the pulley exercise showed significantly more activity than the CPM machine. In the supraspinatus muscle, the pulley exercise averaged 17.6% of maximal activity and 8.7% for the self-assisted bar raise using contralateral arm power compared with 5.0% for the CPM machine. In general, therapist-assisted exercises and Codman's pendulum exercises showed activity that was not significantly different from the CPM machine. These results indicate that CPM and therapist-assisted passive range of motion, by being more passive, may increase the safety margin for obtaining early passive range of motion without disrupting the rotator cuff repair.
Adolescent↗
The role of continuous passive motion after total knee arthroplasty.
The usefulness of continuous passive motion after total knee arthroplasty remains controversial. The reported benefits include decreased rates of knee manipulation, deep vein thrombosis, and postoperative use of analgesics, and a greater range of motion. Other studies have reported increased wound complications, bleeding, and pain. Lack of consensus on the use of continuous passive motion exists because reported studies include many confounding variables. Several studies have shown that continuous passive motion in the hospital decreased the rate of knee manipulation from as high as 21% to as low as 0%. Although many studies show that range of motion may improve more rapidly with continuous passive motion, the ultimate range of motion at followup is unchanged. At the author's institution, continuous passive motion is used three times per day (1 hour sessions), beginning on the first postoperative day, within a 4 to 5 day inpatient hospital pathway. Of 132 knees that had a primary posterior-stabilized total knee arthroplasty, seven knees (5%) had a manipulation for failure to obtain greater than 70 degrees flexion. No patients had major wound complications that required reoperation. There is no specific charge to the patient for the continuous passive motion because it is included in the hospital per diem charge. The literature and the author's data support the use of continuous passive motion to decrease the rate of manipulation (and its costs) for poor range of motion after total knee arthroplasty. If patients follow fixed inpatient hospital pathways, the length (and possibly cost) of hospital stay is not changed by use of continuous passive motion. The data on the effect of continuous passive motion on overall analgesic use and prevalence of deep vein thrombosis are not clear.
Arthroplasty, Replacement, Knee↗
[Long-term peridural anesthesia and minimally invasive therapy of arthrofibrosis of the knee joint].
We report on our experiences with continuous epidural anesthesia after arthrolysis of the knee joint. The restoration of knee motion is the main goal of our treatment regimen which includes daily passive full mobilisation of the knee joint with a continuous epidural catheter after arthroscopic lysis and a functional after treatment with full weight bearing. From December 1992 to November 1996 32 arthroscopic lysis have been performed at the Surgical Department of Triemli Hospital in Zürich, Switzerland. The indications for prior knee surgery included 22 ACL reconstructions, 4 sustained fractures about the knee and 6 miscellaneous etiologies. Arthroscopic lysis was performed for any failure in improving knee motion despite intensive physical therapy. According to Gassen et al. [4] we found one (3.1%) very severe, 5 (15.6%) severe, 12 (37.5%) moderate and 14 (43.8%) minor cases of arthrofibrosis. After 8 months on average, a second lysis had to be performed in six cases. All had an ACL reconstruction as prior surgery, in four out of these six patients only physiotherapeutic after treatment was performed after the first lysis, 2 patients developed a symptomatic patella baja. At the end of the treatment after 10 months on average, 16 (50%) cases showed a very good, 7 (22%) a good, 5 (16%) a satisfactory and 4 (12%) a poor result concerning range of motion. We think that a daily passive full mobilisation under regional anesthesia with a continuous epidural catheter is the key to hold the intraoperatively reached range of motion especially for moderate to very severe cases of arthrofibrosis.
Adult↗