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At least 559 records · Page 31Linked to original sources
PubMed1976

Subclavian artery laceration due to migration of a Hagie pin.

Injuries to subclavian artery are infrequent and usually occur due to gunshot or stab wounds and occasionally by blunt trauma to the chest. An early diagnosis and control of hemorrhage is essential to prevent death which may occur due to exsanguinating hemorrhage. A case of injury to the subclavian artery due to migration of a Hagie pin, which was used to treat the acromioclavicular separation, is reported. The subclavian artery was ligated initially, which produced an ischemic and functionless upper extremity. Revascularization of the arm was successfully accomplished by an axilloaxillary bypass grafting procedure. This simple procedure is advocated in situations requiring ligation of the subclavian artery following trauma, when direct reconstruction is not feasible.

Acromioclavicular Joint↗
PubMed1976

Arterial embolism from a bullet: a case report.

Accounting for each wounding bullet represents an important part of the emergency room evaluation of gunshot victims. Physical examination must include a thorough search for exit wounds. Medical personnel must be aware of the possibility of intra-arterial passage of a wounding missile and routinely obtain appropriate roentgenagraphic studies so that patients with arterial bullet embolization will be identified preoperatively and can receive optimal surgical repair of their injuries.

Adult↗
PubMed1976

[Migration of the wire after osteosynthesis].

In a 20 year old woman, sudden death due to hemopericardium ensued on osteosynthesis with Kirschner wire of a dislocated sternoclavicular joint. The wire moved to the aorta ascendens and to the right auricle thus causing lethal bleeding into the pericardium. The pathogenesis of the wandering wire is discussed and compared with observations in the literature describing causes, history and clinical phenomena. Wandering after osteosynthesis due to dislocation of the sternoclavicular joint is particularly dangerous, whereas in the case of broken clavicle, dislocation of the acromioclavicular joint, fracture of the humereus or in the region of the hips, no serious complications occur as a rule. Present-day text-books on surgery do not make sufficiently detailed reference to the wandering wire syndrome.

Adult↗
PubMed1979

Missing threads.

Explore the source record for details and available documents.

Ambulatory Care↗
PubMed1992

Cemented versus cementless hip arthroplasty. A review of prosthetic biocompatibility.

The fibrous interface tissue between hip prostheses and surrounding bone is often morphologically and functionally synovial-like. The fibroblast is the major cell type; but also giant cells and macrophages are present, and their numbers are increased in the occasional adverse-type host reaction to the prosthesis. Adverse lytic reactions are often associated with methylmethacrylate debris, whereas in cementless cases, polyethylene and metallic (titanium) wear debris seem to cause adverse reactions. Osteoblasts, osteoclasts, and mesenchymal collagenase secreted by fibroblasts and macrophages play an important role in the process of prosthetic loosening. Methylmethacrylate is immunologically relatively inert, while it induces inflammatory mononuclear-cell migration. Both cemented and cementless prostheses cause a foreign-body type host response, including adaptive and reactive processes. This response includes the formation of fibroblast-like B-type lining cells, which are able to synthesize and secrete hyaluronate. Material surfaces of hip arthroplasty components also provide a unique environmental niche to which staphylococcal strains adhere and colonize. Antibiotic resistance is related to the material colonized rather than to the presence of an exopolysaccharide barrier; organisms bound to polyethylene and methylmethacrylate are more resistant than organisms that are bound to stainless steel. An understanding of prosthetic biocompatibility requires an appreciation of tissue cell, bacterial cell and host defense-system response to biomaterials. The site of implantation is a stage on which the "players" (bacteria, host cells, and organic moieties) interact and compete, and before which the host is a "responsive audience."

Anti-Bacterial Agents↗
PubMed1990

Vesicoureteral reflux in children: endoscopic treatment.

Endoscopic correction of vesicoureteral reflux in children has been increasingly used in the last years with encouraging results. During a 4-year period 152 children were treated by endoscopic injection of Teflon. A follow-up, ranging from 3 months to 5 years, was available for 173 refluxing ureters. For primary reflux, correction was observed after a single injection in 87% of the cases and in 93% after a second injection in some failures. In duplication, the technique is somewhat more difficult but the results quite satisfactory with 58% success after one injection, increasing to 74% after a second injection. The limitations of these techniques are underlined, the major concern being the safety of the injectable Teflon particles, eliciting a foreign-body granulomatous reaction with the potential hazard of distant migration. So far no long-term morbidity and complications have been observed with the use of Teflon to correct reflux. Extensive pathological study in 7 children submitted to ureteral reimplantation for failure of endoscopic correction showed a typical encapsulated granulomatous reaction below the intramural ureter, but particles of Teflon were noted in only one hypogastric ganglion when the Teflon was injected outside of the bladder. There is a need for finding an ideal substance for endoscopic injection, preferably prepared from the patient's own tissue allowing simple and safe correction of vesicoureteral reflux in children.

Child, Preschool↗
PubMed1977

Experimental studies of sensitization to beryllium, zirconium, and aluminum compounds in the rabbit.

In a study designed to assess the potential sensitizing and granulomagenic capacities of selected metallic salts, rabbits were inoculated intradermally with zirconium aluminum glycinate (ZAG), sodium zirconium lactate (NZL), aluminum chlorhydrate (ACH), BeSO 4, and ovalbumin (OVA) by single and multiple injections. Animals immunized with BeSO4 and with OVA developed delayed skin reactivity as well as antigen-specific alveolar macrophage migration inhibition. Neither single nor multiple injections of ZAG or ACH resulted in clear-cut positive skin reactivity, macrophage migration inhibitory factor (MIF) production, or lymphocyte stimulation. Rabbits inoculated with multiple injections of NZL (500 microng) showed some marginally positive macrophage migration inhibition and skin reactivity. Histologically, ZAG and ACH were found to induce well-organized foreign-body granulomas after intradermal injection in both normal and inoculated rabbits. NZL and BeSO4 also induced skin granulomas, but these were less organized and distinct. Cell viability and ultrastructural studies indicated that BeSO4 was highly toxic for isolated alveolar macrophages in vitro at concentrations above 10 microng/ml, but NZL and ZAG did not exert such an effect at these dose levels. BeSO4 also depressed lymphocyte stimulation in sensitized animals which demonstrated delayed skin reactivity and macrophage migration inhibition.

Aluminum↗
PubMed1992

Silicone lymphadenopathy associated with failed prosthesis of the hallux: a case report and literature review.

Three years after replacement of a first metatarsophalangeal joint with a silicone prosthesis, a tennis player developed an enlarged ipsilateral femoral lymph node. The implant was also noted to have failed. Fine needle aspiration of the node revealed a foreign body giant cell reaction to particulates morphologically compatible with silicone elastomer. This finding suggests the potential utility of fine needle aspiration in the evaluation of patient response to foreign materials used in prosthetic devices. The lymphadenopathy also suggests that prosthetic metatarsophalangeal replacement in patients with high demand activities run the risk not only of failure of the prosthesis, but also of central migration of the particulate debris resulting from silicone elastomers.

Female↗
PubMed1989

[A grenade splinter as the cause of cholangitis and icterus].

Forty five years after being injured by a grenade splinter a now 74-year old man suddenly developed colicky pain in the right upper abdomen, accompanied by colourless stools, jaundice and fever. The white cell count was 21,000/microliters, bilirubin was raised to 10.9 mg/dl, and ultrasound examination revealed a sharply circumscribed echo in the distal choledochal duct. Retrograde endoscopic cholangiography revealed a metal-dense concrement, presumably the nidus of gallstone formation. After endoscopic emptying of the bile duct the patient quickly improved so that cholecystectomy could be performed. The long symptom-free interval was most likely due to an at first peripheral position of the splinter in liver tissue. The secretory pressure of the liver cells then probably caused a slow migration into the choledochal duct.

Aged↗