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Biomedical subjects

Ron McLaughlin

Publications and source records attributed to Ron McLaughlin.

5 recordsLinked to original sources

Developmental orthopedic disease.

Developmental orthopedic diseases are a common cause of pain and lameness in young dogs. Most occur in large-breed dogs with rapid growth rates. This article reviews the signalment, etiology and pathogenesis, clinical signs, diagnosis, treatment, and prognosis for many of the common developmental orthopedic diseases, including hypertrophic osteodystrophy, panosteitis, osteochondrosis, Legg-Calve-Perthes disease, hip dysplasia, elbow dysplasia, and pes verus.

Animals↗

Fluoroscopic and endoscopic localization of an esophagobronchial fistula in a dog.

A 10-month-old, intact male Chihuahua presented for a 7-month history of regurgitation and coughing. Survey radiographs revealed a soft-tissue opacity within the distal esophagus. A contrast study confirmed the presence of an esophagobronchial fistula. Endoscopic removal of foreign material within the esophagus allowed for visualization of an esophageal diverticulum. Bronchoscopic examination revealed the presence of an abnormal opening in a right caudal tertiary bronchus. Passage of a cardiac guidewire was accomplished, confirming the presence of the fistula and aiding its subsequent surgical removal.

Animals↗

Comparison of normograde and retrograde intramedullary pinning of feline tibias.

This study evaluated the effects of normograde and retrograde intramedullary pinning of mid-diaphyseal fractures of the feline tibia on the anatomical structures of the stifle joint. Using the paired pelvic limbs from five mature feline cadavers, a transverse, mid-diaphyseal osteotomy was performed, and each tibia was pinned in a normograde or retrograde fashion. The stifle joints were examined to determine the pin exit site and measure the distance from the exit site to pertinent anatomical structures of the stifle joint. Neither normograde nor retrograde intramedullary pinning resulted in damage to the cruciate ligaments, menisci, intermeniscal ligament, femoral condyles, or joint capsule. The patellar tendon was penetrated in all five tibias during retrograde pin insertion.

Animals↗

The effects of heated and room-temperature abdominal lavage solutions on core body temperature in dogs undergoing celiotomy.

To document the magnitude of temperature elevation obtained with heated lavage solutions during abdominal lavage, 18 dogs were lavaged with sterile isotonic saline intraoperatively (i.e., during a celiotomy). In nine dogs, room-temperature saline was used. In the remaining nine dogs, saline heated to 43+/-2 degrees C (110+/-4 degrees F) was used. Esophageal, rectal, and tympanic temperatures were recorded every 60 seconds for 15 minutes after initiation of the lavage. Temperature levels decreased in dogs lavaged with room-temperature saline. Temperature levels increased significantly in dogs lavaged with heated saline after 2 to 6 minutes of lavage, and temperatures continued to increase throughout the 15-minute lavage period.

Animals↗

Comparison of a suture anchor and a toggle rod for use in toggle pin fixation of coxofemoral luxations.

The mechanical characteristics of toggle rods and Bone Biter anchors inserted through the medial acetabular wall for toggle pin repair of coxofemoral luxations were compared in 16 canine cadaver pelves. No differences were detected in maximum load to failure, displacement at failure, or energy to failure between the two constructs. Toggle rod constructs failed primarily by breakage of the suture at the rod eyelet. All of the Bone Biter anchor constructs failed when the anchors pulled through the medial acetabular wall.

Animals↗