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Abstract：
The aim of this study was to describe the characteristics of cases of feline dystocia presenting to a university emergency service.
The medical records of queens presenting for dystocia between January 2009 and September 2020 were reviewed. Data collected included queen signalment, presenting complaints, treatments, and maternal and neonatal outcomes. Clinicopathologic data included serum ionized calcium concentration, blood glucose level, packed cell volume and total solids. Owing to the small sample size, descriptive statistics were used and data presented as median (range).
Thirty-five cases were reviewed. Dystocia was attributed to maternal factors in 69% (n = 24) and fetal factors in 31% (n = 11). Venous blood gas data from 19 queens in stage 2 labor revealed that no queens were hypocalcemic (median ionized calcium 5.4 mg/dl [range 4.9-5.8]) or hypoglycemic (median glucose 143 mg/dl [range 78-183]). Medical management was attempted in 21/35 queens. Successful medical management was achieved in 29% (n = 6/21). Thirteen queens underwent surgical management, six of these after failing medical management. Seven queens received no treatment. Fifteen queens were discharged and one queen was euthanized while still in labor. The remaining 19 queens delivered all fetuses with medical (n = 6) or surgical management (n = 13). Maternal survival was 94% (n = 33/35). A total of 136 kittens were born to all queens, with 58% (n = 79/136) born prior to initiation of treatment, 16% (n = 22/136) after medical management and 26% (n = 35/136) after surgical management. Overall neonatal survival to discharge was 66% (n = 90/136).
Feline dystocia is an emergent condition that can result in up to 34% neonatal mortality for kittens delivered via both medical and surgical means. Hypoglycemia and hypocalcemia were not precipitating causes of feline dystocia in this population.
The medical records of queens presenting for dystocia between January 2009 and September 2020 were reviewed. Data collected included queen signalment, presenting complaints, treatments, and maternal and neonatal outcomes. Clinicopathologic data included serum ionized calcium concentration, blood glucose level, packed cell volume and total solids. Owing to the small sample size, descriptive statistics were used and data presented as median (range).
Thirty-five cases were reviewed. Dystocia was attributed to maternal factors in 69% (n = 24) and fetal factors in 31% (n = 11). Venous blood gas data from 19 queens in stage 2 labor revealed that no queens were hypocalcemic (median ionized calcium 5.4 mg/dl [range 4.9-5.8]) or hypoglycemic (median glucose 143 mg/dl [range 78-183]). Medical management was attempted in 21/35 queens. Successful medical management was achieved in 29% (n = 6/21). Thirteen queens underwent surgical management, six of these after failing medical management. Seven queens received no treatment. Fifteen queens were discharged and one queen was euthanized while still in labor. The remaining 19 queens delivered all fetuses with medical (n = 6) or surgical management (n = 13). Maternal survival was 94% (n = 33/35). A total of 136 kittens were born to all queens, with 58% (n = 79/136) born prior to initiation of treatment, 16% (n = 22/136) after medical management and 26% (n = 35/136) after surgical management. Overall neonatal survival to discharge was 66% (n = 90/136).
Feline dystocia is an emergent condition that can result in up to 34% neonatal mortality for kittens delivered via both medical and surgical means. Hypoglycemia and hypocalcemia were not precipitating causes of feline dystocia in this population.
摘要：
目的：本研究的目的是描述出现在大学急诊服务机构的猫难产病例的特征。
方法：回顾了2009年1月至2020年9月期间出现难产的女王的病历。收集的数据包括女王标志，提出投诉，治疗,以及产妇和新生儿的结局。临床病理数据包括血清离子钙浓度，血糖水平，填充细胞体积和总固体。由于样本量小,使用描述性统计,数据以中位数(范围)表示.
结果：回顾35例。难产归因于69％（n=24）的母体因素和31％（n=11）的胎儿因素。来自19名女王的2期分娩的静脉血气数据显示，没有女王是低钙血症（中位离子钙5.4mg/dl[范围4.9-5.8]）或低血糖（中位葡萄糖143mg/dl[范围78-183]）。在21/35皇后区尝试了医疗管理。成功的医疗管理实现了29%(n=6/21)。13名女王接受了手术治疗，其中六个在医疗管理失败后。七个女王没有接受治疗。15名女王出院，一名女王在分娩时被安乐死。其余19名女王对所有胎儿进行了医疗（n=6）或手术治疗（n=13）。产妇生存率为94%（n=33/35）。所有女王共有136只小猫出生，58％（n=79/136）在开始治疗之前出生，16％（n=22/136）后的医疗管理和26％（n=35/136）后的手术管理。新生儿出院总生存率为66％（n=90/136）。
结论：猫难产是一种紧急情况，通过医疗和手术方式分娩的小猫可导致高达34%的新生儿死亡率。低血糖和低钙血症不是该人群中猫难产的诱因。
方法：回顾了2009年1月至2020年9月期间出现难产的女王的病历。收集的数据包括女王标志，提出投诉，治疗,以及产妇和新生儿的结局。临床病理数据包括血清离子钙浓度，血糖水平，填充细胞体积和总固体。由于样本量小,使用描述性统计,数据以中位数(范围)表示.
结果：回顾35例。难产归因于69％（n=24）的母体因素和31％（n=11）的胎儿因素。来自19名女王的2期分娩的静脉血气数据显示，没有女王是低钙血症（中位离子钙5.4mg/dl[范围4.9-5.8]）或低血糖（中位葡萄糖143mg/dl[范围78-183]）。在21/35皇后区尝试了医疗管理。成功的医疗管理实现了29%(n=6/21)。13名女王接受了手术治疗，其中六个在医疗管理失败后。七个女王没有接受治疗。15名女王出院，一名女王在分娩时被安乐死。其余19名女王对所有胎儿进行了医疗（n=6）或手术治疗（n=13）。产妇生存率为94%（n=33/35）。所有女王共有136只小猫出生，58％（n=79/136）在开始治疗之前出生，16％（n=22/136）后的医疗管理和26％（n=35/136）后的手术管理。新生儿出院总生存率为66％（n=90/136）。
结论：猫难产是一种紧急情况，通过医疗和手术方式分娩的小猫可导致高达34%的新生儿死亡率。低血糖和低钙血症不是该人群中猫难产的诱因。
