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Radial Osteomyelitis As a Complication of Venous Cannulation 409

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Radial Osteomyelitis As a Complication of Venous Cannulation 409 408 Arch Dis Child 2001;85:408–410 Radial osteomyelitis as a complication of venous Arch Dis Child: first published as 10.1136/adc.85.5.408 on 1 November 2001. Downloaded from cannulation R Straussberg, L Harel, Z Bar-Sever, J Amir Abstract Venepuncture of the superficial veins in the forearm is considered a relatively safe procedure. We report two patients who presented with osteomyelitis of the proxi- mal radius following venous cannulation of the median cubital vein, and one patient who developed osteomyelitis of the distal radius after cannulation of the cephalic vein. Osteomyelitis developing in proxim- ity to a venepuncture site should raise the suspicion that a pathogen causing superfi- cial thrombophlebitis has spread through the deep veins of the arm into the adjacent Figure 1 Tissue phase image (A) from a three phase bone bone, thus causing osteomyelitis. scan shows diVuse, increased tracer localisation in the ( 2001;85:408–410) proximal left forearm (arrow), suggesting soft tissue Arch Dis Child hyperaemia adjacent to the elbow. The skeletal phase image (B) shows abnormal focal uptake in the proximal left Keywords: osteomyelitis; venous cannulation; radius (arrow). These findings are consistent with thrombophlebitis osteomyelitis. The focal uptake seen in the radial aspect of the right forearm on both images is an injection site artefact. Venous cannulation of the superficial forearm On the day following the venepuncture per- veins is a common procedure. The visible and formed at the other hospital, the patient began accessible median cubital vein is a preferred to complain of pain in the elbow which was site for insertion of an intravenous line. In the diVerent from the pain he had felt during pre- majority of cases, the procedure is without vious episodes of arthritis. On the day of complications, although superficial throm- admission to our hospital, the pain had become bophlebitis is sometimes a sequela. Rarely, excruciating. infection of the median cubital vein spreads to On physical examination, he was afebrile. the deep venous system of the arm. The left elbow was swollen. Redness and http://adc.bmj.com/ We report a rare complication of catheterisa- tenderness were noted over the left median tion of the superficial veins of the forearm (the cubital vein, compatible with superficial throm- median cubital and cephalic veins). This bophlebitis. There was point tenderness over caused proximal and distal radial osteomyelitis, the proximal aspect of the left radius and respectively. The infection developed at the site incomplete range of motion was elicited in the of venepuncture, suggesting that it spread left elbow. There was no extravasation around locally through anastomoses between the × 9 the cannula. The white cell count was 1.5 10 on September 25, 2021 by guest. Protected copyright. superficial medial cubital and cephalic veins cells/mm3 with a diVerential count of 74% and the deep radial vein. Whenever point Department of polymorphonucleocytes, 22% lymphocytes, Pediatrics C, tenderness develops over a long bone, over the 3% monocytes, and 1% eosinophils. Sedimen- Schneider Children’s underlying skin, after venepuncture, osteomy- tation rate was 51 mm/h (Westergren), serum Medical Center of elitis should be suspected. C reactive protein (CRP) was 7.4 µg/l (normal Israel, Petah Tikva, Israel 49202 <0.5 µg/l). Blood culture was sterile. Nuclear R Straussberg imaging was compatible with a diagnosis of L Harel Case reports osteomyelitis of the left proximal radius near J Amir CASE 1 the elbow joint (fig 1). The patient was treated A 13 year old boy was admitted because of pain with intravenous cefazolin 1.5 g, three times Department of in the left elbow. He had been diagnosed as daily for 10 days, with complete resolution of Nuclear Imaging, Schneider Children’s having familial Mediterranean fever eight years symptoms. CRP decreased to 1.9 µg/l. He was Medical Center of previously, on the basis of a history of bouts of discharged and prescribed oral cephalexin 2.5 Israel, Petah Tikva and fever accompanied by arthritis of the hip, knee, g/day for two weeks. Sackler School of and ankle joints. He was treated regularly with Medicine, Tel Aviv colchicine 1.5 mg/day. Seven days prior to CASE 2 University, Tel Aviv, admission to our hospital, he was hospitalised A 3 year old girl was admitted with fever of Israel ° Z Bar-Sever elsewhere with pneumonia. Treatment con- 39.2 C. Urine culture yielded Escherichia coli sisted of cefuroxime administered through a and a diagnosis of urinary tract infection was Correspondence to: “Quickcath” inserted in the left median cubital made. After cleaning the skin overlying the Dr Straussberg vein. Blood culture was negative. He was inner aspect of the elbow with a solution of [email protected] discharged after four days and prescribed oral 70% alcohol, an intravenous catheter was Accepted 20 July 2001 roxithromycin 150 mg twice daily. inserted into the right median cubital vein for www.archdischild.com Radial osteomyelitis as a complication of venous cannulation 409 administration of gentamicin. The next day Arch Dis Child: first published as 10.1136/adc.85.5.408 on 1 November 2001. Downloaded from body temperature returned to normal. The intravenous line was transferred to the contra- lateral side after three days. However, after five days of treatment, the temperature rose again, and the parents noted the refusal of the child to move her right arm. On physical examination the skin overlying the right elbow was warmer than the contra- lateral side, and there was point tenderness over the medial aspect of the proximal radius. There was no extravasation around the can- nula. White blood cell count was 1.7×109 cells/ mm3 with a diVerential count of 68% poly- morphonucleocytes, 20% lymphocytes, 3% eosinophils, 8% monocytes, and 1% basophils. Figure 2 Dynamic images (A) from the angiographic phase of a bone scan show increased blood flow to the left An x ray examination of the arm was wrist. Dorsal (B) and palmar (C) views of the hands from interpreted as normal. Sedimentation rate was the skeletal phase of the study show diVuse, increased 72 mm/h (Westergren). Blood culture was ster- uptake in the region of the left wrist and carpus, consistent with cellulitis. There is some prominence in the appearance ile. Radionuclide imaging showed pathological of the styloid process of the radius, suggesting osteomyelitis. uptake of the isotope in the right proximal radius at the late phase of the examination. A Treatment with vancomycin 50 mg/kg/day in diagnosis of osteomyelitis was made. The three divided doses and garamicin 5 mg/kg/day patient was treated with cloxacillin 1.5 g per as a single dose, was commenced. Temperature day intravenously for three weeks with com- returned to normal after three days and the plete resolution of symptoms. At discharge she patient ceased to complain of pain after two was prescribed oral cephalexin 1.5 g/day for an days. additional two weeks. CASE 3 Discussion An 18 year old female with insulin dependent The veins of the upper arm are frequently used diabetes mellitus (diagnosed at the age of 8 for drawing blood for intravenous injections years and treated with subcutaneous insulin), and infusions. The median cubital vein is com- was admitted to our hospital with fever, sore monly used for venepuncture and for cannula- throat, and abdominal pain; there was labora- tion because it is easily accessible and allows tory evidence of ketoacidosis and pharyngitis communication between the basilic and ce- was diagnosed. After cleaning the skin over the phalic veins, through which superficial venous distal end of the forearm with a solution of 70% drainage of the forearm occurs. The basilic vein alcohol, an intravenous line was inserted into penetrates the deep fascia on the medial side of http://adc.bmj.com/ the cephalic vein; treatment with intravenous the middle part of the arm and then joins the fluids and insulin was initiated. Initial leuco- brachial veins to form the axillary vein. cyte count was 0.8×109 cells/mm3 with 63% Numerous deep veins drain the structures of polymorphonucleocytes, 20% lymphocytes, the forearm. They arise from a deep venous 5% monocytes, 10% eosinophils, and 2% arcade (a series of anastomosing venous basophils. The pharyngitis was believed to be arches) in the hand. The deep veins ascend the viral. On the third day her temperature forearm along the sides of the corresponding returned to normal; she was treated with arteries, receiving tributaries from veins leaving on September 25, 2021 by guest. Protected copyright. subcutaneous insulin, but continued to be hos- the related muscles and communicating with pitalised because of unstable blood glucose superficial veins. The deep interosseous veins concentrations. that accompany the respective arteries unite On the fifth day her temperature rose to with the accompanying veins of the radial and 39.6°C and she complained of pain in the dis- ulnar arteries. The deep veins in the cubital tal aspect of the radius. On examination there fossa are connected to the median cubital vein were signs of phlebitis—the skin over the intra- and unite with the accompanying veins of the venous insertion was warm and red but point respective artery.1 tenderness was elicited only secondary to In the first two patients, osteomyelitis of the strong pressure on the area of the styloid proc- proximal radius developed after venepuncture ess of the radius. There was no extravasion and insertion of an intravenous line through around the cannula. Blood count was 1.3×109 the median cubital vein. In the third patient, leucocytes per mm3 with a diVerential count of osteomyelitis of the distal radius developed as a 63% polymorphonucleocytes, 17% lym- consequence of cannulating the cephalic vein.
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