Clifford M Honnas

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The association between various management factors and development of colic was studied in 821 horses treated for colic and 821 control horses treated for noncolic emergencies by practicing veterinarians in Texas between Oct 1, 1991 and Dec 31, 1992. History of previous colic and history of previous abdominal surgery were found to be significantly(More)
OBJECTIVE To describe and compare data from Thoroughbreds that sustained musculoskeletal injuries while racing with data from matched control horses. DESIGN Matched case-control study. ANIMALS 216 Thoroughbreds that sustained a musculoskeletal injury while racing and 532 horses from the same races that were not injured. PROCEDURE Data regarding racing(More)
A blind study was designed to determine if abdominal auscultation is an effective method for detecting the presence of intestinal sand. Fifteen horses divided into two groups were used in the study. There were seven horses in Group 1 and eight horses in Group 2. All horses were auscultated and determined to be free of sand sounds before initiation of Trial(More)
The medical records of 12 horses with septic arthritis of a distal interphalangeal joint were reviewed to determine clinical features and response to treatment. Sepsis was caused by trauma or an injection that resulted in an open or contaminated distal interphalangeal joint. All horses were severely lame. Treatment included broad-spectrum parenterally(More)
OBJECTIVE To examine the response of horses with progressive ethmoidal hematoma (PEH) to intralesional injection of 4% formaldehyde solution. STUDY DESIGN Nasal passages of horses affected with PEH were examined endoscopically at different intervals to determine the effects of intralesional injection of formaldehyde solution. ANIMALS 21 horses with PEH.(More)
Risk factors for equine laminitis were examined in a prospective case-control study of the 258 cases seen at six collaborating veterinary teaching hospitals over a 32-month period. Case-control pairs were matched on institution, clinician, and season of diagnosis. The 90% of case-control pairs (78 acute, 155 chronic) that had complete data for age, gender,(More)
OBJECTIVE To determine the prevalence of wound infection following celiotomy in horses and to determine risk factors associated with the development of such infections. DESIGN Prospective study. ANIMALS 210 horses that had 235 celiotomies. PROCEDURE All horses that had celiotomies between March 1990 and March 1992 were considered for this study. Only(More)
Primary paranasal sinusitis complicated by inspissated exudate within the ventral conchal sinus was diagnosed in five horses. Clinical signs included a unilateral, foul-smelling, mucopurulent nasal exudate of 2 to 7 months' duration. Two of the horses had partial nasal obstruction from distortion of the ventral concha. Radiographs of the skull showed a mass(More)
OBJECTIVE To determine outcome for foals with incomplete ossification of the tarsal bones and to determine whether clinical and radiographic abnormalities at the time of initial examination were associated with outcome. DESIGN Retrospective study. ANIMALS 22 foals. PROCEDURE Information on signalment, history, owner's initial complaint, clinical(More)
A study of 15 American miniature horses (AMH) that underwent surgical treatment for colic was performed. Information obtained from the medical records included signalment, clinical signs, type and location of gastrointestinal lesion, and postoperative complications. All 15 AMH had intraluminal obstructions, attributable to feed impactions (11 horses),(More)