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Biomedical subjects

Judith Hohlfeld

Publications and source records attributed to Judith Hohlfeld.

12 recordsLinked to original sources
PubMed2006

Speech outcome after cranial-based pharyngeal flap in children born with total cleft, cleft palate, or primary velopharyngeal insufficiency.

PURPOSE: The aim of this study was to compare the effect of a cranial-based pharyngeal flap on the speech of children born with a unilateral cleft lip and palate (UCLP), bilateral cleft lip and palate (BCLP), cleft palate (CP), or primary velopharyngeal insufficiency (VPI) without cleft. PATIENTS AND METHODS: A total of 234 children born with clefts and 22 children born with primary VPI were evaluated. Children with associated abnormalities were excluded from this study. The Borel-Maisonny classification system was used to evaluate the velar insufficiency. The cranial-based pharyngeal flap was performed using the Sanvenero-Rosselli technique. RESULTS: Between 1984 and 2001, 74 children underwent pharyngeal flap for VPI. The mean follow-up period was 7 years. Borel-Maisonny scores after pharyngeal flap surgery were as follows: children with UCLP (n = 22), 59.1% type 1, 36.4% type 1/2, and 4.5% type 2; children with BCLP (n = 18), 44.4% type 1, 27.8% type 1/2, 16.7% type 2, and 11.1% type 2/3; children with CP (n = 17), 64.7% type 1, 23.5% type 1/2, and 11.8% type 2; children with primary VPI (n = 17), 29.4% type 1, 29.4% type 1/2, 29.4% type 2/3, and 11.8% type 3. There were significant differences in outcome among the 4 groups (P = .029; Fisher exact test). CONCLUSIONS: The positive effect on speech of a cranial-based pharyngeal flap is greater in children born with a UCLP or CP than in those born with a BCLP. In children born with primary VPI, this operation has only a slightly positive effect on speech that shows compensatory misarticulations; in such cases, alternative surgical choices or secondary procedures may be indicated. This information should be clearly conveyed to the parents in presurgical consultation so that they know what to expect from the procedure and postoperative adjuvant therapy.

Age Factors↗
PubMed2004

Prenatal diagnosis of facial clefts: evaluation of a specialised counselling.

QUESTIONS UNDER STUDY/PRINCIPLES: Prenatal diagnosis of cleft lip and palate has raised many questions concerning the best way to inform the parents and offer appropriate support during the remaining pregnancy to help prepare a positive birth experience. Prenatal counselling differs according to who is responsible, and to that person's knowledge of the practical aspects of care and the impact of the malformation on the child's quality of life. The aim of the study was to evaluate our current techniques and modify them when appropriate. METHODS: 29 couples having experienced prenatal diagnosis were asked to respond retrospectively to a questionnaire. Personal obstetric and family history, timing and quality of information provided and their impressions at birth were considered. RESULTS: The parents used several sources of information: the obstetrician, the counsel by the cleft team surgeon, the parents support groups and the Internet. 93% of the parents felt well prepared psychologically for the birth of their child and concerning the practical aspects of care. 54% felt relieved that their child was less affected than imagined. 96% considered prenatal diagnosis a benefit. CONCLUSION: Basic information should be provided soon after ultrasound confirmation, followed by progressively more detailed technical discussions over the remaining pregnancy.

Cleft Lip↗
PubMed2004

Mermaid syndrome: virtually no hope for survival.

Sirenomelia, also called the mermaid syndrome is a severe malformation involving multiple organs and characterized by partially or completely developed lower extremities fused by the skin. The birth of a "mermaid" is very rare (1.2-4.2 cases for 100,000 births); most are stillborn, or die at or shortly after birth. The case of a living female neonate with dipodic simelia (fusion of well-developed legs) is presented. No prenatal diagnosis was made and the newborn had an uneventful neonatal course following Cesarean section delivery. The complex and striking malformation was obvious at birth and further evaluation revealed very poorly functioning kidneys, associated with abnormal anorectum, urogenital tract, and external genitalia, as well as a pelvic malformation. Supportive care was applied because of the poor prognosis and the child died at 7 weeks of age, due to renal failure.

Abnormalities, Multiple↗
PubMed2003

[Epidemiology of lip-maxilla-palate clefts in the canton of Vaud].

Epidemiological variables in oral clefts were examined in a cohort of patients with congenital malformations from the canton of Vaud in Switzerland during the years 1990-1999. Among 77'259 newborns or foetuses, 144 cases of oral clefts were identified in the Registre Vaudois des Anomalies Congénitales (RVAC), yielding a total prevalence of 18.6 per 10'000. These clefts consisted of 84 (58%) cases of cleft lip with or without cleft palate (CL/P) and 60 (42%) cases of cleft palate only (CP). Associated anomalies were found in 45% of cases. Our results are compared with previous reports in other parts of Europe.

Abnormalities, Multiple↗
PubMed2002

Phonetic and otological results after early palate closure in 18 consecutive children presenting with cleft lip and palate.

OBJECTIVE: First, to analyze the speech and hearing results at 3.5 years of age when early palate closure has been performed. Second to assess at 7 years of age the need for speech therapy and/or additional surgery in the form of cranial-based pharyngeal flap for obtaining normal speech. METHODS: Retrospective study in a tertiary teaching hospital concerning 18 consecutive cases presenting cleft lip and palate with no associated abnormalities. Interventions included early palatine closure (velum at 3 months, hard palate and lip at 6 months). Speech therapy was initiated at 3.5 years of age when needed. Cranial-based pharyngeal flap was performed when normal nasal emission was not obtained by speech therapy at 7 years of age. Phonetic and otological assessment were performed in all cases. RESULTS: Good to excellent speech in the majority (95%) of children, with only 3/18 undergoing pharyngoplasty to obtain type I or I/II speech by the age of 7 (range: 6.5-8.0). 6/18 children had drain insertion, and 2/18 had hearing loss of 20-40 dB in all frequencies. CONCLUSION: Most children (95%) start school with good or excellent speech. However, the high incidence of middle ear problems shows that more effective screening and treatment are warranted.

Acoustic Impedance Tests↗
PubMed2002

Morphogenesis of the ureterovesical junction:a histologic and microanatomic study in the rat.

OBJECTIVES: To investigate the development of the ureterovesical junction in rats. METHODS: A total of 110 albino rats (50 prenatal and 60 newborn) with a gestation of 21 days were studied at the age of 17 days after conception until 5 days after birth. The lower urinary tract was microdissected. Microphotography (110 animals), histologic examination (44 animals), and scanning electron microscopy (66 animals) of the ureterovesical junction were performed. Urea and creatinine from the amniotic fluid of 20 fetuses and from the urine of 10 neonates were measured. RESULTS: At day 17 after conception, separate penetration of the mesonephric duct and ureter into the wall of the urogenital sinus was observed. Continuity between the lumen of the ureter and the urogenital sinus was established on day 19 after conception. The straight passage of the intramural ureter into the urogenital sinus at day 17 after conception changed to the definitive L-shape with a vertical entry into the bladder on day 5 after birth. In the distal ureter, the change of the mesenchymal tissue into immature smooth muscle was first observed at birth, and the muscle became mature on the fifth postnatal day. At birth, Waldeyer's sheath was recognized. The creatinine and urea levels were stable prenatally (average 22.4 micromol/L and 6.88 mmol/L, respectively) and rose significantly postnatally (average 133 micromol/L and 32.65 mmol/L, respectively). CONCLUSIONS: The attachment of the ureter to the urogenital sinus and later to the bladder, the modification of its passage, and its mobility within Waldeyer's sheath may be essential in preventing vesicoureteral reflux. The production of urine and its flow does not seem to be the trigger of ureteral smooth muscle formation.

Amniotic Fluid↗
PubMed2002

Evaluation of scooter-related injuries in children.

BACKGROUND/PURPOSE: The sudden popularity of the "scooter phenomenon" was followed by an increased rate of injuries associated with its use. This study evaluates the circumstances, types, degrees, and mechanisms of injury related to the use of a scooter in the pediatric population. METHODS: From January 2000 to February 2001, the emergency files of all the children arriving at the authors' institutions with a diagnosis of "scooter related trauma" were reviewed. RESULTS: One hundred fifty-six cases were recorded; 48% of patients were between 10 and 13 years old; 66.6% were boys. There was a incidence peak in September and October. Trauma locations were as follows: face (47.5%), ankle (17.9%), wrist (17.3%), knee (11.5%), and head trauma (12%). Eighty-five percent healed within 1 to 4 weeks; 16.6% needed hospitalization. Fractures occurred in 31% of cases; 38% of these required surgical treatment. Concerning the mechanisms of injury, 45% occurred on the street and sidewalk, 44% of which resulted from collisions with a motor vehicle, 33% were caused by inefficient braking, and 15% were related to a mechanical problem with the scooter's structure. CONCLUSIONS: The authors observed a shift in the children's interest from roller skates toward the scooter. Research on scooter injury prevention needs to be improved, and a program needs to be promoted to reduce the number and the severity of related injuries. For now the authors would recommend head, mainly face, wrist, and ankle protections.

Adolescent↗
PubMedDate not supplied

Tissue engineered fetal skin constructs for paediatric burns.

Autologous skin-grafting is the gold standard for treatment of deep second and third degree burns. Available bioengineered skin products also necessitate this two-step surgical procedure. Therefore, we developed fetal skin constructs to improve healing of such degree burns. A bank of fetal skin cells was developed from one organ donation (4 cm2 of skin allowing the preparation of several million three-dimensional skin constructs, 9x12 cm, on native horse collagen). Successive fetal constructs were applied to eight patients at every change of dressing during 1-3 weeks in an outpatient setting. Complete closure was rapid (mean 15.3 days [SD 5.5]) with little hypertrophy of new skin and no retraction seen. This simple technique provided complete treatment without auto-grafting, showing that fetal skin cells might have great potential to treat burns and eventually acute and chronic wounds of other types.

Burns↗
PubMedDate not supplied

Multimodality imaging evaluation of the pediatric neck: techniques and spectrum of findings.

Neck masses are a common finding in children and can present a difficult diagnostic challenge. These masses may represent a variety of conditions having a congenital, acquired inflammatory, neoplastic, or vascular origin. The fascial spaces and compartments of the neck provide an approach to differential diagnosis, and extensive knowledge of the anatomy and contents of each cervical compartment is mandatory in the diagnosis of pediatric neck lesions. Several imaging techniques, including radiography, gray-scale and Doppler ultrasonography, conventional and three-dimensional computed tomography, magnetic resonance (MR) imaging, and MR angiography, have been proposed for the evaluation of such lesions, and each has its own advantages and limitations. The imaging findings in 120 children who had been referred or treated for cervical lesions were retrospectively reviewed, and a systematic multimodality imaging approach to pediatric neck lesions based on the involvement of anatomic compartments of the cervical region was developed to increase diagnostic efficiency. Careful attention to clinical history and physical examination findings, along with knowledge of the embryologic features and anatomy of the cervical region and a multimodality imaging approach, is very helpful in the diagnosis and management of pediatric neck lesions.

Adolescent↗