Heinz-Jürgen Stark

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We evaluated the dental status of thirty children with chronic renal failure (CRF): 15 managed conservatively, 9 on dialysis replacement therapy and 6 after kidney transplant. Dental age was delayed, but to a lesser extent than bone age; this delay was most marked where CRF occurred before 7 years of age. Eruption age was only minimally delayed. Eighteen(More)
As the Walton-Bijvoet nomogram for estimating renal phosphate (P) threshold (TmP/GFR) is not applicable to children of all ages, we sought an alternative method for measuring renal handling of P. Recognizing that the nomogram represents an indirect correlation between TmP/GFR and TP/GFR under fasting conditions, we examined this directly in 26 children. An(More)
Of 151 ununited fractures of the scaphoid that were treated with iliac bone grafts and Kirschner-wire fixation through a volar approach, all but four (97 per cent) healed in an average of seventeen weeks, Three of the four failures resulted from obvious technical errors. Neither the preoperative existence of necrosis of the proximal fragment nor the(More)
We removed the fracture fragment from fifty-nine patients who had an isolated fracture of the hook of the hamate. Preoperatively, all had complained of pain and tenderness on the ulnar side of the palm or on the dorsal ulnar aspect of the wrist. Most fractures were thought to have occurred while the patient was swinging a racquet, golf club, or baseball(More)
A patient with dorsal dislocation of the fourth and fifth carpometacarpal (CMC) joints and dislocation of the metacarpophalangeal (MP) joint of the small finger was managed successfully by open reduction and transarticular fixation of the CMC joint dislocation and closed reduction of the MP joint dislocation. This rare combination of injuries has not been(More)
Since 1969, a slightly modified silicone-rubber neurosurgical burr-hole cover has been used for a type of interposition arthroplasty of the carpometacarpal joint of the thumb. The short stem of the device fits into a hole burred into the distal surface of the trapezium. The flat surface of the device covers the distal surface of the trapezium. Forty-nine(More)