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Biomedical subjects

N O Thomsen

Publications and source records attributed to N O Thomsen.

15 recordsLinked to original sources
PubMed2000

Weilby-Burton arthroplasty of the trapeziometacarpal joint of the thumb.

Twenty-three patients (25 thumbs) were treated by tendon interposition arthroplasty for trapeziometacarpal arthrosis as described by Weilby and modified slightly as described by Burton and Pellegrini. There was good (4/25, 16%) or complete (19/25, 76%) pain relief in 23 (92%) of the cases. Activities of daily living were generally easier. Mobility and strength of the thumb were satisfactory. One patient had signs of instability during a stress test. We conclude that our technique produces a stable and pain-free thumb joint. However, careful selection of the patients for this procedure is essential, and the patient must be given comprehensive information about all stages.

Adult↗
PubMed1998

[Shoulder instability].

The importance of the labrum and glenohumeral ligament complex for the stability of the shoulder joint has been known since the beginning of this century. Shoulder instability may be classified into two large groups. TUBS, characterized by Traumatic, Unidirectional instability and Bankart lesion which often requires Surgery. The second group AMBRI, is characterized by Atraumatic, Multidirectional, Bilateral instability that often responds to Rehabilitation, but in case of surgery Inferior capsular shift is indicated. The high recurrence rate after primary traumatic anterior dislocation in young adults has caused an ongoing discussion about the indications for primary surgery. Anatomical reconstruction focusing on the pathoanatomy is recommended due to better results and a lower complication rate as compared to non-anatomical reconstruction that alters the normal anatomy and kinematics. The recurrence rate after arthroscopic Bankart repair is still generally higher than after open surgery but may be improved by better patient selection.

Adult↗
PubMed1998

Interlocking nailing of humeral shaft fractures.

: In this retrospective study 48 humeral shaft fractures in 48 patients were operated on using the Seidel interlocking nail. The length of follow-up ranged from 6 to 60 months (median, 26 months). The treatment of fractures was satisfactory with the Seidel nail, but we emphasize the importance of countersinking the tip of the nail into the humeral head to avoid impingement. In 5 of 12 patients with non-unions, the procedure failed, and we found that the distal locking seemed to be inadequate. Pathological fractures (i.e., those caused by metastatic tumors) were all efficiently treated with the Seidel nail.

Adult↗
PubMed1996

[Aortoesophageal fistula. A rare cause of hematemesis].

A case of aorto-oesophageal fistula (AEF) resulting from a foreign body is presented. High mortality accompanies this rare complication and only a few survivors have been reported previously. AEF should be suspected in any patient with midthoracic pain or dysphagia that heralds upper gastrointestinal haemorrhage. We report the salvage of a 64 year-old man with AEF resulting from a denture.

Aortic Diseases↗
PubMed1996

Observer variation in the radiographic classification of fractures of the neck of the femur using Garden's system.

By means of Kappa statistics, we calculated the inter- and intra-observer variation in the classification of fractures of the neck of the femur according to Garden's system. Radiographs of 96 consecutive patients were assessed independently by six observers who agreed on classification for only 14 fractures (15%). The level of agreement was poor for the overall classification (Kappa = 0.39). When reducing Garden's system into non-displaced (Stage I and II) and displaced fractures (Stage III and IV) the level of agreement became acceptable (Kappa = 0.68). However, problems remain in distinguishing Stage II and Stage III fractures, and further improvements in the classification system are necessary.

Femoral Neck Fractures↗
PubMed1995

Treatment of hyperextension injuries to the PIP joint.

A prospective randomized trial of type 1 hyperextension injuries to the PIP joint treated conservatively by an elastic double-finger bandage or an aluminium splint for 2 weeks showed no differences in the clinical outcome after 6 months.

Adolescent↗
PubMed1993

Closed suction drainage after hip arthroplasty. Prospective study of bacterial contamination in 81 cases.

In a prospective study we analyzed the volume of drainage, the contamination of the drain track, and drain tip in 81 primary total hip arthroplasties in 78 patients. The drain was removed when the drainage from midnight to the following morning was 20 mL or less. The drainage in the first 12 h and in total was reduced in cases with a drain period of 24 h, compared to cases with a drain period of 48 and 72 h. 4 cases had a positive culture from the wound before closure. 5 cases had a positive culture from the tip of the drain, and 6 from the drain track. The most frequently isolated microorganism was coagulase-negative Staphylococcus. The positive cultures from the drain track and tip were not correlated to the duration of drainage. 68 drains were removed within 48 h with no risk of developing wound complications.

Aged↗
PubMed1992

Intramedullary plugs in total hip arthroplasty. A comparative study.

The quality of cement packing was radiographically evaluated using three different types of intramedullary plugs in 77 total hip arthroplasties. The Thackray polyethylene plug (38 mm, disc-shaped), with its large and flexible diameter, was best able to seal the femoral canal and produced significantly better cement packing compared to both the autologous bone plug and the Richard polyethylene plug (18.5 mm, bullet-shaped).

Aged↗
PubMed1991

[Occupational accidents among slaughterhouse workers. A review from a casualty department].

A total of 110 accidents in slaughterhouse workers treated in the casualty department of Sønderborg Hospital during a period of one year was analysed as regards the nature of the injury, the mechanism of injury, employment of prophylactic measures, employment and the loss of income in connection with the sick leave involved. Cuts and stab lesions caused by ordinary knives constituted 72.7% and 93.7% of these were situated on the hands and forearms. Employment of prophylactic measures was not identical in the various working processes. Thus, all of the persons employed with filleting employed prophylactic equipment. In this group, the majority of injuries were on knife-hand but there were also many injuries to the protected hand. In the remainder of the production, employment of prophylactic measures was much less and the injuries here were localized electively to the hand not holding the knife. It is concluded that employment of safety knives in filleting is capable of reducing the number of injuries to the knife-hand while increased employment of five-fingered metal-net gloves and arm protectors is recommended in the remainder of the production.

Abattoirs↗
PubMed1991

Postoperative computed tomography three months after lumbar disc surgery. A prospective single-blind study.

In a prospective single-blind study, 60 patients surgically treated for lumbar disc herniation underwent clinical examination and computed tomography preoperatively and 3 months after surgery. At follow-up (58 patients; median, 31 months; range, 21-37 months), 29 patients had an excellent outcome (51%), 20 improved (33%), and 9 were unchanged or worse (16%). Dural or radicular scar tissue was present by computed tomography in 88% of the patients, but the findings could not be correlated with the clinical outcome. Recurrent or persistent disc herniation was found in 9% of the patients. The clinical outcome of patients with abnormal computed tomography did not differ significantly from patients without this finding. A relation between facet joint degeneration and less successful clinical outcome was demonstrated. Computed tomography (without contrast) 3 months after surgery gave little information which could be correlated with the clinical outcome. Patients with an excellent outcome had all degrees of intraspinal scar tissue.

Adult↗
PubMed1991

Observer variation in the radiographic classification of ankle fractures.

We recorded inter- and intra-observer variations in the classification of ankle fractures by the Lauge Hansen and Weber systems. Radiographs of 94 patients were classified independently by four observers. The observer variation was calculated by kappa statistics, which corrects the obtained values for the agreement expected by chance. There was an acceptable level of agreement for the overall classification into both systems. For the staging of supination-adduction and supination-eversion fractures in the Lauge Hansen system the agreement was poor. The results indicate that future classification systems should be subject to reliability analysis before they are accepted.

Ankle Injuries↗
PubMed1989

Paravaginal tumor: ureterolithiasis in an ectopic ureter.

A case of long-standing, undetected urinary tract malformation is presented. Over a period of 15 years the patient had gone for regular examinations by a gynecologist because of paravaginal tumor and urinary incontinence. Operation revealed urinary calculi in an ectopic ureter. Despite of life-long continuous urinary incontinence, an i.v. pyelography was never offered. Embryology, symptoms and an investigation program concerning ectopic ureter are presented.

Congenital Abnormalities↗