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Biomedical subjects

J-L Jouve

Publications and source records attributed to J-L Jouve.

8 recordsLinked to original sources
PubMed2006

[Impact of a triage scale in a pediatric emergency department].

UNLABELLED: The pediatric nursing staff of the emergency unit has established a list of items for the triage of patients which can be used by the registered nurses. This scale defined 3 stages of severity. OBJECTIVES: 1) to estimate the relevance of this list through the appraisal of the total time necessary to take care of the patients according to their severity stage, and the confrontation of the severity stage determined by the registered nurse and the severity stage determined by the paediatrician; 2) to determine a possible correlation between the severity stage and the rate of hospitalization. METHOD: This prospective study was carried out over a period of 1 month in winter for every child admitted in the pediatric emergency unit for medical reasons (traumatisms excluded). RESULTS: One thousand six hundred and fifty-six children have been included in the study. Among them, 136 have been classified stage I, 1020 stage II and 500 stage III. The children have been taken care of in an average period of 20 min for stage I, 32 min for stage II, 43 min for stage III. The coherence rate between the severity stage determined by the nurse and the severity rate determined by the paediatrician was good. The rate of sub-estimation was low (4,2%). Nevertheless the reception nurses tend to overestimate the stage of severity in 17,6% of the cases. The prediction rate for hospital admittance was good: 68,7% of children classified in stage 1 were admitted, 23,5% of children in stage 2 and only 1,6% of children in stage 3. CONCLUSION: Patients suffering from severe illnesses were taken care without injurious delay which was the main purpose of this list.

Age Factors↗
PubMed2006

Relationship between formation of the femoral bicondylar angle and trochlear shape: independence of diaphyseal and epiphyseal growth.

During hominin evolution, an increase in the femoral bicondylar angle was the initial change that led to selection for protuberance of the lateral trochlear lip and the elliptical profile of the lateral condyle. No correlation is found during ontogeny between the degree of femoral obliquity and of the prominence of the lateral trochlear lip. Might there be a relationship with the elliptical profile of the lateral condyle? On intact femoral diaphyses of juvenile humans and great apes, we compared the anteroposterior length of the lateral and medial sides of the distal metaphysis. The two diaphyseal pillars remain equal during postnatal growth in great apes, while the growth of the lateral pillar far exceeds that of the medial pillar in humans. Increase in bicondylar angle is correlated with disproportionate anteroposterior lengthening of the lateral pillar. The increased anteroposterior length of the lateral side of the metaphysis would contribute to increasing the radius of the curvature of the lateral condyle, but not to the projection of the lateral trochlear lip. The similar neonatal and adult femoro-patellar joint shape in humans prompted an assessment of the similarity during growth of the entire neonatal and adult epiphyses. We showed that the entire epiphysis undergoes drastic changes in proportions during postnatal growth. Finally, we emphasize the need to distinguish the cartilaginous phenotype and the ossified phenotype of the distal femoral epiphysis (and of any epiphysis) during postnatal growth. This crucial distinction applies to most postcranial bones, for they almost all develop following the process of endochondral ossification.

Adaptation, Physiological↗
PubMed2005

[Shoulder arthrodesis with vascularized fibular graft after tumor resection of the proximal humerus].

PURPOSE OF THE STUDY: Resection of malignant tumors of the proximal humerus often requires dissection of the rotator cuffs and the deltoid muscle. There is no consensus on the ideal method for shoulder reconstruction. We report the functional outcome in a homogeneous series of eight patients treated by arthrodesis using a vascularized free fibular flap. MATERIAL AND METHODS: Eight patients were included in this study. All had an aggressive tumor of the upper humerus. Tumor resection was associated with a rotator cuff and deltoid muscle resection in all patients. All patients then underwent shoulder arthrodesis using a free vascularized fibular flap fixed with a plate. Clinical and radiological evaluation was available for six patients at mean 28 months. The Musculoskeletal Tumor Society function score was used to assess overall function of the upper limb. The cosmetic outcome and radiographic bone healing as well as hypertrophy of the fibular graft were noted. RESULTS: Active abduction and active flexion were 82 degrees on average. All patients could bring their hand to the mouth. Circumduction was possible but limited in amplitude. The mean function score was 26.5/30 with an excellent functional outcome in all patients. The cosmetic outcome was considered poor by all patients. Radiographically, bone healing was achieved at last follow-up in all patients but there was one case of failed fusion between the fibular graft and the scapula which required secondary iliac grafting. Mean fibular graft hypertrophy was 32.8% at last follow-up. DISCUSSION AND CONCLUSION: Two reconstruction methods have been described for patients who require tumor resection of the upper humerus: reconstruction with preservation of glenohumeral joint function and shoulder arthrodesis. Many techniques have been described for each method. It is however difficult to compare the different series reported in the literature because rotator cuff and deltoid muscle resection was not systematically performed and reconstruction methods varied between patients. An analysis of the literature shows that preservation of motion of the scapular glenoid joint can give good functional results when the rotator cuff and deltoid muscle can be preserved. If they cannot, results favor shoulder arthrodesis which provides the patient with very satisfactory upper limb function. Use of a vascularized fibular flap has provided very good arthrodesis results. The patient must however be informed of the probable poor final cosmetic result.

Adolescent↗
PubMed2004

[Fingertip injuries in children: 81 cases with at least one year follow-up].

PURPOSE OF THE STUDY: Fingertip crush injuries are frequent in young children. Rigorous care is required to avoid esthetic and functional sequelae, but treatment is often difficult. We report our experience focusing on simple therapeutic principles useful for everyday practice in the emergency room. MATERIAL AND METHODS: We reviewed retrospectively 91 fingertip injuries in 81 children followed for at least one year. Mean age of the children was 4.5 years. Crush injuries predominated (82%) and mainly involved the middle finger. We recorded the initial lesions, therapeutic interventions, and early complications. At last follow-up, we recorded sensitivity, aspect of the pulp and nail, and the subjective assessment of the parents. RESULTS: There were four infectious including three periungual and subungual felons and two necrotic complications. One child developed a bone infection that required surgery and antibiotics. At last follow-up, seven patients (8%) had sensorial disorders, six (7%) an inesthetic pulp and 23 (25%) dystrophic nails (minor=19, major=4). The parents felt the result was very good for 80% of the children,. Pulp sensitivity disorders were more frequent when the nail bed was injured. Nail dystrophy was more frequent after initial pulp amputation. DISCUSSION: The nail plays an important role in finger function, increasing tactile sensitivity and facilitating prehension. Fingertip injuries can be considered benign but require careful initial evaluation and rigorous management. If a sub-ungual hematoma covers more than half of an intact nail, puncture with a cold lancet appears to be indicated to avoid infection and reduce pain. Perforation with a heated instrument (paper clip) is easy to perform but the hematoma may reform rapidly. In the event of fracture, perforation should always be performed. Detached nails should be removed to examine the nail bed which must be sutured carefully if injured. Pulp lesions should also be sutured.

Adolescent↗
PubMed2003

[Anatomic study of the anterior patellar groove in the fetal period].

PURPOSE OF THE STUDY: We performed a biometric analysis of the femoral trochlea in the fetus and compared our findings with those observed in adults in order to search for correlations with other biometric parameters of the femur. MATERIAL AND METHOD: Twenty-two fetuses (44 knees) conserved in formol and free of known orthopedic disease were studied. Fetal age ranged from 26 to 40 weeks. After anatomic dissection, digitalized images were used to obtain angle measurements with a dedicated software. Measurements made on the distal epiphyseal view were: anteroposterior dimension of the condyles, medial and lateral protrusion of the trochlear borders, difference in condyle height, length of the trochleal borders, alpha angle of the trochlear groove, trochlear slope. Measurements made on the AP femoral view were: femoral anteversion, length of the femoral neck, neck-shaft angle. Spearman's test was used to search for correlations. Results were compared with measurements obtained under the same conditions in a series of 32 adult knees published by Wanner. RESULTS: The trochlear alpha angle was 148 degrees (coefficient of variation 4%). The angle was greater than 150 degrees for 18 trochleae. The lateral border of the trochela was higher than the medial border in 37 of the 44 knees. There was no correlation with age and gender. Femoral anteversion was 27.01 degrees, with a high coefficient of variation (46%), and no correlation with the trochlear alpha angle. Comparison with measurements made on the adult knees revealed no significant difference. DISCUSSION: This is the first report of statistically significant biometric data of the fetal trochlea. The morphology of the lower femur observed during the third trimester of fetal live is the same as observed in adults. Morphological changes in the proximal femur occurring during growth do not appear to modify the morphology of the distal femur. The asymmetrical ingression of the patella into the trochlea, characteristic of modern man, is considered to result from bipedalism. Our study would suggest that the anatomic characteristics of the trochlea could have been integrated into the genoma during the course of evolution. This would be in favor of a genetic origin of trochlear dysplasia.

Adult↗
PubMed2003

[Multifocal osteomyelitis as the first manifestation of chronic granulomatous disease].

Chronic granulomatous disease is a rare immune disease related to an anomaly in phagocytes NADPH oxidase. The characteristic clinical feature is early recurrent and sometimes serious infection. We report the case of a 22-month-old child who developed multifocal osteomyelitis, an unusual inaugural manifestation of chronic granulomatous disease. Septic chronic granulomatous disease is an uncommon differential diagnosis in children who develop recurrent infections. Diagnosis is established with specific blood tests: reduction of tetrazolium nitroblue, chemoluminescence test, molecular analysis. Therapeutic management must be undertaken as early as possible in order to preserve the long-term prognosis. No curative treatment is currently available. Aggressive treatment of each infectious focus with an adapted antibiotic regimen and in certain cases surgical debridement is required in addition to long-term antibiotic prophylaxis.

Consanguinity↗