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Biomedical subjects

C Maynou

Publications and source records attributed to C Maynou.

44 records · Page 3Linked to original sources
PubMed1995

[Treatment of post-traumatic epiphysiodesis of the radius with osteotomy of the 2, bones of the forearm].

The authors report a case of posttraumatic closure of the distal radial epiphysis. Wrist pain, grip weakness and gross deformity warranted surgical correction of the discrepancy between radial and ulnar lengths. Simultaneous osteotomy of the radius and shortening of the ulna offer a less destructive alternative to both cosmetic and functional disorders at the wrist than the Kapandji-Sauvé procedure.

Adolescent↗
PubMed1995

[Carpal tunnel syndrome in patients on hemodialysis (apropos of 17 cases)].

This work is based on a series of 12 patients on hemodialysis who were operated on for a carpal tunnel syndrome, 66% of whom were seen with an average follow-up of 39 months (range 4 to 99 months). The operation was performed bilaterally on 5 occasions, which brings the number of hands operated to 17. Of the hemodialyzed patients 9.2% presented with median nerve compression. The main etiologies of renal insufficiency were chronic, interstitial nephropathies (5 cases) and chronic glomerular nephropathies (5 cases). All the patients were operated without a pneumatic tourniquet in order to preserve arteriovenous fistula permeability. In addition to division of the flexor retinaculum, 3 approaches to the Guyon canal, 3 anterior epineural membrane removals and 8 partial synovectomies of the flexors were performed. The postoperative evaluation included bilateral clinical and electromyographic analysis of both hands. In this study, the authors indicate the preferential appearance of certain sequelae specific to this type of syndrome for the hemodialyzed patient, and they propose therapies which could reduce their incidence. The use of electromyograms for systematic screening must be considered within the scope of earlier performance of surgery, this would help avoid irreversible neurological lesions.

Adult↗
PubMed1994

[Traumatic posterior dislocation of the shoulder in adults. Apropos of 25 cases].

In a series of 25 traumatic posterior dislocations of the shoulder treated from 1960 to 1985, 16 were overlooked and the time from injury to treatment ranged from 3 weeks to 14 months. 11 cases were secondary to motor vehicle accident and 14 occurred after a convulsive fit. Early closed reduction was effective in only 4 cases; in 2 cases, reduction was unstable and further screwing of an associated fracture of the tuberculum majus was performed to prevent redislocation; 3 locked dislocations necessitated open reduction and stabilization by subscapularis transposition into the defect of the humeral head. Most of the 16 chronic unreduced dislocations were treated by the same procedure. Overall, 21 cases were reviewed with a mean follow-up of 14 years. Functional outcome was more often satisfactory in acute (5/7) than in old unreduced dislocations (6/14). Mc Laughlin or Neer's procedures yielded good results in 9 out of 14 cases; they are indicated irrespective of the patient's age whenever Mc Laughlin's notch does not involve more than one third of the articular surface of the humeral head.

Adult↗
PubMed1993

[An intra-osseous synovial cyst of the carpal bones. Apropos of 3 cases].

Three additional cases of intra osseous ganglion are reported. These indicate that the carpal cysts tend to occur in young patients with no roentgen or pathological evidence of degenerative process in the neighboring joints. They arise by either intrusion of ganglion-like tissue into bone after fracture or primary skeletal metaplastic phenomenon. Conservative surgical treatment is effective.

Adult↗
PubMed1993

Patellar metastasis from a large bowel adenocarcinoma.

Although bone tumors are often located in the knee area, primary tumors of the patella are rare (6, 8), and patellar metastases even rarer. A few cases were reported in the literature, originating from the breast, lung, kidney, uterine cervix and oesophagus. We report a case, for the first time to our knowledge, of a patellar metastasis from a large bowel carcinoma.

Adenocarcinoma↗
PubMed1991

[Scaphoid-trapezium-trapezoid dislocation. 5 cases].

The authors report 5 cases of scaphoid-trapezium-trapezoid dislocation (STT) which occurred in crush injuries of the hand. A good functional result was achieved by closed reduction and pinning whenever there was no associated soft tissue damage. However, lateral mid carpal osteoarthritis may develop and produce reduction of the abduction of the thumb as well as slight stiffness of the wrist.

Adult↗
PubMed1990

[The parathyroid risk in thyroid surgery. Argument against the early postoperative prescription of vitamin D. Experience with 729 thyroidectomies in 1988].

729 consecutive patients underwent thyroidectomy in 1988 in the same institution, including 477 (68%) bilateral resections and 242 (33%) total thyroidectomies. An effort was made to see and save all 4 parathyroids and their blood supply. Early post-operative hypoparathyroidism was defined at day 5, by serum calcium less than 8 mg/dl. and serum phosphate less than 4 mg/dl or by serum calcium only if greater than 7.5 mg/dl. Patients afflicted with early hypoparathyroidism were given calcium tablets without any vit D for 1 year at most. Follow-up, checking serum Ca, P and i PIH was done on a 3 months basis during 1 year. Permanent hypoparathyroidism was defined by persistence of the above-mentioned criteria after 1 year, and eventually vit D was started. 27 patients (5.6% our of 477 bilateral thyroid resections) experienced early post-op hypoparathyroidism. Inciting factors were previous thyroid surgery (4), radioiodine treatment (2), modified neck dissection (2), sternal split with mediastinal node clearance (1), visualization of 1 parathyroid gland only (3 redo cases) and autotransplantation of more than 1 parathyroid (1 case). 1 patient was lost for follow-up. 25 others recovered a normal parathyroid function. 1 is permanently hypoparathyroid (1 redo case with other risk factors). Painstaking parathyroid dissection allows a 0% rate of permanent hypoparathyroidism after primary surgery, if vit D is not given in the early post-operative period. We suggest that avoidance of early vit D prescription in cases of early post-operative hypoparathyroidism, leading to mild sustained hypocalcemia, stimulates the spared parathyroid glands (including a possible 5th) and therefore allows full recovery of the parathyroid function.

Humans↗