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1.
Med Mycol ; 57(Supplement_1): S67-S75, 2019 Feb 01.
Article in English | MEDLINE | ID: mdl-30690600

ABSTRACT

Canine coccidioidomycosis, a systemic fungal infection endemic to arid and semiarid regions of North, Central, and South America, is commonly diagnosed in dogs living in or traveling through lower Sonoran life zones in the states of California and Arizona. Canine and human cases have geographic overlap. Similarities between clinical coccidioidomycosis in dogs and humans include asymptomatic infection, primary respiratory disease and disseminated disease. Differences include a high rate of dissemination in dogs, differences in predilection of dissemination sites, and a granulomatous or diffuse meningoencephalopathic form in the canine central nervous system (CNS) without the obstructive component seen in humans. Dogs presenting with CNS coccidioidomycosis most commonly experience seizures. Prior disease history and serology are unreliable indicators of CNS coccidioidomycosis. Magnetic resonance imaging (MRI) is advantageous for diagnosis of CNS coccidioidomycosis in dogs. Long-term administration of antifungal medication is promoted for treatment of both primary and disseminated coccidioidomycosis in dogs. Supportive treatment addressing pain, fever, inappetance, coughing, and other clinical signs improves patient care. Glucocorticoids and or anticonvulsants are also recommended for canine disseminated CNS disease. Protracted treatment times, lack of owner compliance, failure of the disease to respond to the first antifungal drug selected, and high cost are challenges of successfully treating dogs.


Subject(s)
Coccidioidomycosis/veterinary , Dog Diseases/microbiology , Dogs/microbiology , Meningoencephalitis/drug therapy , Animals , Anticonvulsants/therapeutic use , Antifungal Agents/economics , Antifungal Agents/therapeutic use , Brain/diagnostic imaging , Coccidioides/drug effects , Coccidioidomycosis/drug therapy , Cough , Dog Diseases/drug therapy , Female , Fever , Glucocorticoids/therapeutic use , Magnetic Resonance Imaging , Male , Meningoencephalitis/diagnosis , Meningoencephalitis/microbiology , Seizures
2.
Matern Child Health J ; 21(9): 1699-1705, 2017 Sep.
Article in English | MEDLINE | ID: mdl-27206615

ABSTRACT

Objective Ethiopia is home to an increasingly large refugee population. Reproductive health care is a critical issue for these groups because refugee women are at high risk for unmet family planning needs. Efforts to expand contraceptive use, particularly long acting reversible contraceptive (LARC) methods are currently underway in several Ethiopian refugee camps. Despite availability of LARC methods, few refugee women opt to use them. The purpose of this study was to explore how culture influences contraceptive attitudes and behaviors, particularly towards LARC methods, among Ethiopia's refugee populations. Methods Focus group discussions and individual interviews were conducted with Eritrean and Somali refugees living in Ethiopia. The qualitative data was analyzed to identify important themes highlighting the relationship between cultural values and contraceptive attitudes and behaviors. Results Childbearing was highly valued among participants in both study groups. Eritreans reported desire to limit family size and attributed this to constraints related to refugee status. Somalis used cultural and religious faith to deal with economic scarcity and were less likely to feel the need to adapt contraceptive behaviors to reduce family size. Participants held overall positive views of the contraceptive implant. Attitudes toward the intrauterine device (IUD) were overwhelmingly negative due to its long-acting nature. Conclusions Culture, religion and refugee status form a complex interplay with family planning attitudes and behaviors among Eritrean and Somali refugees. For these populations, the three-year implant appears to be a more acceptable contraceptive method than the longer-acting IUD because it is in line with their reproductive plans.


Subject(s)
Contraception Behavior/ethnology , Contraception/methods , Family Planning Services , Intrauterine Devices , Refugees , Adult , Contraception/statistics & numerical data , Contraception Behavior/psychology , Cultural Characteristics , Eritrea/ethnology , Ethiopia/epidemiology , Female , Focus Groups , Health Services Needs and Demand , Humans , Middle Aged , Perception , Qualitative Research , Refugees/psychology , Refugees/statistics & numerical data , Somalia/ethnology
3.
Am J Obstet Gynecol ; 212(3): 310.e1-7, 2015 Mar.
Article in English | MEDLINE | ID: mdl-25265403

ABSTRACT

OBJECTIVE: Adoption of long-acting reversible contraception (LARC) (ie, the intrauterine device or the contraceptive implant) immediately after abortion is associated with high contraceptive satisfaction and reduced rates of repeat abortion. Theory-based counseling interventions have been demonstrated to improve a variety of health behaviors; data on theory-based counseling interventions for postabortion contraception are lacking. STUDY DESIGN: Informed by the transtheoretical model of behavioral change, a video intervention was developed to increase awareness of, and dispel misconceptions about, LARC methods. The intervention was evaluated in a randomized controlled trial among women aged 18-29 years undergoing surgical abortion at a clinic in Chicago, IL. Participants were randomized 1:1 to watch the intervention video or to watch a stress management video (control), both 7 minutes in duration. Contraceptive methods were supplied to all participants free of charge. Rates of LARC initiation immediately after abortion were compared. RESULTS: Rates of LARC initiation immediately after abortion were not significantly different between the 2 study arms; 59.6% in the intervention and 51.6% in the control arm chose a LARC method (P = .27). CONCLUSION: This study resulted in an unexpectedly high rate of LARC initiation immediately after abortion. High rates of LARC initiation could not be attributed to a theory-based counseling intervention.


Subject(s)
Abortion, Induced , Contraceptive Agents, Female/administration & dosage , Counseling/methods , Infusion Pumps, Implantable/statistics & numerical data , Intrauterine Devices/statistics & numerical data , Patient Education as Topic/methods , Video Recording , Adolescent , Adult , Contraception Behavior/statistics & numerical data , Female , Follow-Up Studies , Humans , Intention to Treat Analysis , Patient Satisfaction/statistics & numerical data , Pregnancy , Psychological Theory , Single-Blind Method
4.
Am J Primatol ; 77(6): 633-41, 2015 Jun.
Article in English | MEDLINE | ID: mdl-25809223

ABSTRACT

Leucaena (Leucaena leucocephala) is a leguminous tree that is nutritious forage for domestic livestock when ingested in limited amounts. Unfortunately, leucaena contains mimosine, a plant amino acid, that can be toxic when ingested at higher concentrations. Reported toxic effects include alopecia (fur loss), poor body condition, infertility, low birth weight, thyroid gland dysfunction, and organ toxicity. Originally native to Mexico and Central America, leucaena has been introduced throughout the tropics, including Berenty Reserve, Madagascar where it was planted as supplemental browse for livestock. In Berenty, a seasonal syndrome of alopecia in ringtailed lemurs (Lemur catta) is associated with eating leucaena. Although much is known about the toxic effects of leucaena and mimosine on domestic animals and humans, the systemic effects on wildlife had not been studied. In a comparison of lemurs that include leucaena in their diet and those that do not, we found that animals that ingest leucaena absorb mimosine but that ingestion does not affect body condition, cause kidney or liver toxicity, or affect the intestinal tract. Alopecia is due to mimosine's interference of the hair follicle cycle. Leucaena ingestion is associated with higher serum albumin, α-tocopherol, and thyroxine concentrations, suggesting that leucaena may provide some nutritional benefit and that lemurs can detoxify and convert mimosine to a thyroid stimulating metabolite. The primary conservation consequence of leucaena ingestion at Berenty may be increased infant mortality due to the infants' inability cling to their alopecic mothers. The widespread introduction of leucaena throughout the tropics and its rapid spread in secondary forest conditions mean that many other leaf-eating mammals may be including this tree in their diet. Thus, exposure to leucaena should be considered when wildlife health is being evaluated, and the potential effects on wildlife health should be considered when contemplating leucaena introduction into or near wildlife habitat.


Subject(s)
Alopecia/veterinary , Fabaceae/toxicity , Lemur , Mimosine/toxicity , Alopecia/chemically induced , Alopecia/physiopathology , Animals , Diet/veterinary , Female , Hair/physiopathology , Kidney/drug effects , Kidney/pathology , Liver/drug effects , Liver/pathology , Madagascar , Male , Mimosine/metabolism , Serum Albumin/metabolism , Thyroxine/blood , alpha-Tocopherol/blood
5.
Vet Clin North Am Small Anim Pract ; 53(5): 1099-1121, 2023 Sep.
Article in English | MEDLINE | ID: mdl-37414692

ABSTRACT

Veterinary care of breeding dogs begins before a breeding takes place, during prebreeding consultations, through matings, gestation, and delivery of newborns.


Subject(s)
Dog Diseases , Dystocia , Pregnancy , Female , Animals , Dogs , Dystocia/therapy , Dystocia/veterinary , Reproduction , Dog Diseases/diagnosis , Dog Diseases/epidemiology , Dog Diseases/therapy
6.
Vet Clin North Am Small Anim Pract ; 53(5): 1123-1146, 2023 Sep.
Article in English | MEDLINE | ID: mdl-37246012

ABSTRACT

Canine Cesarean Section (CS) is primarily performed to increase survival of newborns and less commonly to save the life or reproductive future of the dam. Conducting proper ovulation timing to accurately predict the due date will allow a planned, elective CS as an excellent alternative to a high-risk natural whelping, and possible dystocia, for certain breeds and situations. Techniques for ovulation timing, anesthesia, and surgery tips are provided.


Subject(s)
Dog Diseases , Dystocia , Pregnancy , Animals , Dogs , Female , Cesarean Section/veterinary , Cesarean Section/methods , Reproduction , Dystocia/surgery , Dystocia/veterinary
7.
Top Companion Anim Med ; 52: 100757, 2023.
Article in English | MEDLINE | ID: mdl-36592860

ABSTRACT

FOP is a rare genetic condition, described mainly in man and cats, characterized by progressive, painful debilitation and shortened lifespan. A 10-month-old neutered male Savannah cat was referred for progressive gait abnormalities and multifocal firm masses within the soft-tissues that were unresponsive to previous treatment. Diagnosis of FOP was based on histopathological evaluation of intralesional biopsies, which revealed osteo-cartilaginous metaplasia and fibrocellular proliferation with intralesional chondrogenesis and endochondral ossification. The cat was managed with 5 mg/kg BID enrofloxacin and hydrotherapy for 3 years until acute death. During that three-year period, the cat displayed consistent improvement in endurance, quality of life, and range of motion. Postmortem histopathology further confirmed the diagnosis of FOP via identification of intramuscular and intra-fascial ossification with lymphoplasmacytic infiltration, degeneration, and regeneration of adjacent myocytes. To the authors' knowledge, this is the first report of long-term enrofloxacin treatment and hydrotherapy for the management of FOP in a cat, leading to improved mobility and survival time, and the first report of FOP in an exotic breed cat.


Subject(s)
Hydrotherapy , Myositis Ossificans , Ossification, Heterotopic , Male , Animals , Myositis Ossificans/genetics , Myositis Ossificans/pathology , Myositis Ossificans/veterinary , Ossification, Heterotopic/genetics , Ossification, Heterotopic/pathology , Ossification, Heterotopic/veterinary , Enrofloxacin/therapeutic use , Quality of Life , Hydrotherapy/veterinary
8.
Biol Reprod ; 85(2): 243-53, 2011 Aug.
Article in English | MEDLINE | ID: mdl-21565998

ABSTRACT

Although the cheetah (Acinonyx jubatus) routinely lives for more than 12 yr in ex situ collections, females older than 8 yr reproduce infrequently. We tested the hypothesis that reproduction is compromised in older female cheetahs due to a combination of disrupted gonadal, oocyte, and uterine function/integrity. Specifically, we assessed 1) ovarian response to gonadotropins; 2) oocyte meiotic, fertilization, and developmental competence; and 3) uterine morphology in three age classes of cheetahs (young, 2-5 yr, n = 17; prime, 6-8 yr, n = 8; older, 9-15 yr, n = 9). Ovarian activity was stimulated with a combination of equine chorionic gonadotropin and human chorionic gonadotropin (hCG), and fecal samples were collected for 45 days before gonadotropin treatment and for 30 days after oocyte recovery by laparoscopy. Twenty-six to thirty hours post-hCG, uterine morphology was examined by ultrasound, ovarian follicular size determined by laparoscopy, and aspirated oocytes assessed for nuclear status or inseminated in vitro. Although no influence of age on fecal hormone concentrations or gross uterine morphology was found (P > 0.05), older females produced fewer (P < 0.05) total antral follicles and oocytes compared to younger counterparts. Regardless of donor age, oocytes had equivalent (P > 0.05) nuclear status and ability to reach metaphase II and fertilize in vitro. A histological assessment of voucher specimens revealed an age-related influence on uterine tissue integrity, with more than 87% and more than 56% of older females experiencing endometrial hyperplasia and severe pathologies, respectively. Our collective findings reveal that lower reproductive success in older cheetahs appears to be minimally influenced by ovarian and gamete aging and subsequent dysfunction. Rather, ovaries from older females are responsive to gonadotropins, produce normative estradiol/progestogen concentrations, and develop follicles containing oocytes with the capacity to mature and be fertilized. A more likely cause of reduced fertility may be the high prevalence of uterine endometrial hyperplasia and related pathologies. The discovery that a significant proportion of oocytes from older females have developmental capacity in vitro suggests that in vitro fertilization and embryo transfer may be useful for "rescuing" the genome of older, nonreproductive cheetahs.


Subject(s)
Acinonyx/anatomy & histology , Acinonyx/physiology , Aging/physiology , Oocytes/physiology , Ovary/physiology , Acinonyx/embryology , Animals , Female , Fertilization in Vitro/veterinary
9.
Am J Obstet Gynecol ; 205(1): 30.e1-7, 2011 Jul.
Article in English | MEDLINE | ID: mdl-22088897

ABSTRACT

OBJECTIVE: The objective of the study was to assess women's attitudes toward 2009 US Preventive Services Task Force mammography screening guideline changes and evaluate the role of media in shaping opinions. STUDY DESIGN: Two hundred forty-nine women, aged 39-49 years, presenting for annual examinations randomized to read 1 of 2 articles, and survey completion comprised the design of the study. RESULTS: Eighty-eight percent overestimated the lifetime breast cancer (BrCa) risk. Eighty-nine percent want yearly mammograms in their 40s. Eighty-six percent felt the changes were unsafe, and even if the changes were doctor recommended, 84% would not delay screening until age 50 years. Those with a friend/relative with BrCa were more likely to want annual mammography in their forties (92% vs 77%, P = .001), and feel changes unsafe (91% vs 69%, P ≤ .0001). Participants with previous false-positive mammograms were less likely to accept doctor-recommended screening delay until age 50 years (8% vs 21%, P = .01). CONCLUSION: Women overestimate BrCa risk. Skepticism of new mammogram guidelines exists, and is increased by exposure to negative media. Those with prior false-positive mammograms are less likely to accept changes.


Subject(s)
Breast Neoplasms/diagnostic imaging , Breast Neoplasms/psychology , Health Knowledge, Attitudes, Practice , Mammography/psychology , Patient Acceptance of Health Care , Women/psychology , Adult , Communications Media , Early Detection of Cancer/psychology , False Positive Reactions , Female , Humans , Middle Aged , Risk
10.
J Am Anim Hosp Assoc ; 47(2): 83-8, 2011.
Article in English | MEDLINE | ID: mdl-21311077

ABSTRACT

Uterine inertia is a common cause of dystocia in the bitch and is designated as primary (i.e., uterine contractions fail to ever be initiated) or secondary (i.e., uterine contractions cease after a period of time but before labor is completed). The etiology of primary uterine inertia is not well understood. The accurate diagnosis of primary uterine inertia requires the use of tocodynamometry (uterine monitoring). Primary uterine inertia has been postulated to result from a failure of luteolysis resulting in persistently elevated progesterone concentrations. In this study, primary uterine inertia was diagnosed in a series of four bitches in which luteolysis was documented suggesting some other etiopathogenesis for primary uterine inertia.


Subject(s)
Dog Diseases/diagnosis , Luteinizing Hormone/blood , Luteolysis/physiology , Uterine Inertia/veterinary , Animals , Blood Urea Nitrogen , Dog Diseases/blood , Dog Diseases/etiology , Dogs , Female , Hematocrit/veterinary , Pregnancy , Retrospective Studies , Uterine Inertia/blood , Uterine Inertia/diagnosis , Uterine Inertia/etiology
11.
J Subst Abuse Treat ; 131: 108450, 2021 12.
Article in English | MEDLINE | ID: mdl-34098285

ABSTRACT

OBJECTIVE: Little is known though about the experiences that pregnant and postpartum women have in integrated care programs for substance use disorder and the mechanisms that may contribute to the treatment success. METHODS: We conducted 16 semi-structured interviews with women and staff who participated in an integrated care initiative for pregnant and postpartum women with SUD focusing on participants' experiences with the support group. The data was analyzed following a thematic analysis approach. RESULTS: Three themes emerged that captured the benefits women felt they received from the peer support group: 1) sustained engagement in, and accountability for, participation in SUD treatment, 2) well-coordinated access to medical and social support resources, and 3) establishing community around motherhood to learn selfacceptance and experience validation. CONCLUSIONS: This study demonstrates the important role a peer support group within an integrated treatment program can play in supporting mothers in their recovery.


Subject(s)
Postpartum Period , Substance-Related Disorders , Female , Humans , Mothers , Peer Group , Pregnancy , Qualitative Research , Social Support , Substance-Related Disorders/therapy
12.
J Am Vet Med Assoc ; 236(11): 1208-14, 2010 Jun 01.
Article in English | MEDLINE | ID: mdl-20513199

ABSTRACT

OBJECTIVE: To determine concentrations of 17alpha-hydroxyprogesterone (17OHP) in serum of healthy bitches during various stages of the reproductive cycle and in bitches with hyperadrenocorticism and to compare the dynamics of 17OHP with those of progesterone. DESIGN: Prospective evaluation study. ANIMALS: 15 healthy sexually intact bitches and 28 spayed bitches with hyperadrenocorticism. PROCEDURES: 11 healthy bitches were evaluated during estrus, nonpregnant diestrus, and anestrus (group 1); 4 other healthy bitches were evaluated during pregnancy and after ovariohysterectomy (group 2). Cycle stages were determined via physical examination, vaginal cytologic evaluation, and serum progesterone concentration. Bitches with hyperadrenocorticism were evaluated once at the time of diagnosis (group 3). Serum hormone concentrations were determined with immunoassays. RESULTS: In group 1, the serum 17OHP concentration was significantly higher in diestrus (median, 1.8 ng/mL) than in estrus (median, 1.1 ng/mL) and anestrus (median, 0.2 ng/mL) and higher in estrus than in anestrus. Changes in serum progesterone concentrations accounted for 22% (estrus) or 23% (diestrus) of the variation in serum 17OHP concentrations. In group 2, 17OHP and progesterone concentrations were significantly higher during pregnancy than after ovariohysterectomy. The serum 17OHP concentration in group 3 was significantly lower (median, 0.2 ng/mL) than in group 1 in estrus and diestrus and in group 2 during pregnancy (median, 0.7 ng/mL) but was not different from 17OHP concentrations in anestrus or after ovariohysterectomy (median, 0.2 ng/mL). CONCLUSIONS AND CLINICAL RELEVANCE: Serum 17OHP concentrations in healthy bitches increased during estrus, diestrus, and pregnancy and at those times were higher than in spayed bitches with hyperadrenocorticism.


Subject(s)
17-alpha-Hydroxyprogesterone/blood , Adrenocortical Hyperfunction/veterinary , Dog Diseases/blood , Estrous Cycle/blood , Estrous Cycle/physiology , Adrenocortical Hyperfunction/blood , Animals , Case-Control Studies , Dogs , Female , Pregnancy
13.
Am J Vet Res ; 67(1): 70-7, 2006 Jan.
Article in English | MEDLINE | ID: mdl-16426214

ABSTRACT

OBJECTIVE: To determine ultrasonographic characteristics of the thyroid gland in healthy small-, medium-, and large-breed dogs and evaluate the relationships of thyroid gland size and volume with body weight and body surface area (BSA). ANIMALS: 72 dogs of small (6 Toy and 6 Miniature Poodles), medium (12 Beagles), and large breeds (12 Akitas and 36 Golden Retrievers). PROCEDURE: Each dog's thyroid gland was examined ultrasonographically with a 10- to 5-MHz multifrequency linear-array transducer. Size, shape, echogenicity, and homogeneity of thyroid lobes were evaluated on longitudinal and transverse images. Thyroid lobe volume was estimated by use of the equation for an ellipsoid (pi/6 [length x height x width]). RESULTS: Thyroid lobes appeared fusiform or elliptical on longitudinal images and triangular or round to oval on transverse images. In most dogs, thyroid lobes were hyperechoic or isoechoic, compared with surrounding musculature, and had a homogeneous echogenic pattern. Mean length, width, height, and volume of thyroid lobes were significantly greater in Akitas and Golden Retrievers, compared with findings in Beagles or Poodles; mean length, width, and height were significantly greater in Beagles, compared with findings in Poodles. Total thyroid gland volume correlated with body weight (r = 0.73) and BSA (r = 0.74). CONCLUSIONS AND CLINICAL RELEVANCE: Among the dog breeds examined ultrasonographically, thyroid lobe size and volume were more variable than shape, echogenicity, and homogeneity. The correlation of thyroid gland volume with BSA suggests that size of the dog, rather than breed, should be considered when assessing thyroid glands ultrasonographically.


Subject(s)
Body Size , Dogs/anatomy & histology , Thyroid Gland/diagnostic imaging , Analysis of Variance , Animals , Autoantibodies/blood , Enzyme-Linked Immunosorbent Assay , Species Specificity , Ultrasonography
14.
Vet Clin North Am Small Anim Pract ; 36(3): 641-55, vii-viii, 2006 May.
Article in English | MEDLINE | ID: mdl-16564417

ABSTRACT

Pediatric patients are commonly presented to the veterinarian because of signs referable to the abdominal cavity caused by congenital anomalies,dietary indiscretion, parasitic infestation, and infectious disease. Abdominal ultrasound provides valuable clinical information about the peritoneal cavity, great vessels, abdominal viscera, and lymph nodes,which is obtained in a noninvasive fashion and usually does not necessitate sedation or anesthesia. Ultrasonography thus greatly facilitates diagnostic evaluation of the pediatric patient. Ultrasound equipment already in place in many small animal veterinary clinics is appropriate for most pediatric cases.


Subject(s)
Abdomen/diagnostic imaging , Cat Diseases/diagnostic imaging , Dog Diseases/diagnostic imaging , Ultrasonography/veterinary , Animals , Animals, Newborn , Cat Diseases/diagnosis , Cats , Diagnosis, Differential , Dog Diseases/diagnosis , Dogs , Ultrasonography/instrumentation , Ultrasonography/methods
15.
J Am Anim Hosp Assoc ; 42(1): 10-7, 2006.
Article in English | MEDLINE | ID: mdl-16397190

ABSTRACT

Small animal reproductive techniques have become quite advanced in recent years. Techniques described in this paper include transcervical catheterization for the purpose of insemination and intrauterine diagnostics (e.g., cytology, culture, and/or biopsy), and semen cryopreservation that allows international shipping of valuable semen and preservation of reproductive capacity. The use of uterine and fetal monitoring devices that enable intervention and mediation of dystocia is also described.


Subject(s)
Breeding/methods , Insemination, Artificial/veterinary , Reproductive Techniques, Assisted/veterinary , Semen Preservation/veterinary , Animals , Dystocia/diagnosis , Dystocia/veterinary , Female , Insemination, Artificial/methods , Male , Pregnancy , Semen Preservation/methods
16.
J Am Anim Hosp Assoc ; 42(2): 80-9, 2006.
Article in English | MEDLINE | ID: mdl-16527908

ABSTRACT

In 2005, AAHA's Canine Vaccine Task Force met to reexamine and revise guidelines on the use of vaccines in dogs. The results of the Task Force's work are summarized and tabulated in this article and are published in their entirety on the AAHA website (www.aahanet.org). The 2006 AAHA Canine Vaccine Guidelines contain information on new technological developments in vaccines, an introduction to conditionally licensed vaccines, and detailed recommendations on the use of available vaccines. Perhaps the most noteworthy addition to the guidelines is a separate set of recommendations created for shelter facilities. Vaccines are classified as core (universally recommended), noncore (optional), or not recommended. The Task Force recognizes that vaccination decisions must always be made on an individual basis, based on risk and lifestyle factors.


Subject(s)
Dog Diseases/prevention & control , Vaccination/veterinary , Vaccines/administration & dosage , Veterinary Medicine/standards , Animals , Dogs , Life Style , Risk Factors , Societies, Medical , United States , Vaccination/methods , Vaccination/standards
17.
Theriogenology ; 64(2): 242-51, 2005 Jul 15.
Article in English | MEDLINE | ID: mdl-15955350

ABSTRACT

A retrospective analysis was performed to determine the effects of age, breed, parity, and litter size on the duration of gestation in the bitch. Bitches at two locations were monitored from breeding to whelping. A total of 764 litters whelped from 308 bitches (36 large hounds, 34 Golden Retrievers, 23 German Shepherd Dogs (GSD), and 215 Labrador Retrievers). By breed, the number of whelpings was 152, 72, 58, and 482 for the hounds, Golden Retrievers, German Shepherd Dogs, and Labrador Retrievers, respectively. Whelping was predicted to be 57 d from the first day of cytologic diestrus in the hounds or 65 d from the initial progesterone rise in the other breeds. The average gestation duration (calculated as 8 d prior to Day 1 of cytologic diestrus in hounds or measured from the initial progesterone rise in other breeds) by breed (days +/- S.D.) was 66.0 +/- 2.8, 64.7 +/- 1.5, 63.6 +/- 2.1, and 62.9 +/- 1.3 for the hounds, Golden Retrievers, German Shepherd Dogs, and Labrador Retrievers, respectively. The relationship of age, breed, parity, and litter size with the difference in gestation duration was evaluated using log linear modeling. Age or parity had no effect on gestation duration. Compared to Labrador Retrievers, the German Shepherd Dogs, Golden Retrievers and hounds were more likely to have a longer gestation duration; three, four and nearly eight times as likely, respectively. Bitches whelping four or fewer pups were significantly more likely to have a longer gestation duration than those whelping five or more pups; the prolongation averaging 1 d.


Subject(s)
Dogs/physiology , Pregnancy/physiology , Aging , Animals , Female , Litter Size , Parity , Retrospective Studies , Species Specificity , Time Factors
18.
J Vet Intern Med ; 19(4): 499-506, 2005.
Article in English | MEDLINE | ID: mdl-16095166

ABSTRACT

Ultrasound evaluation of the thyroid gland was performed in healthy, hypothyroid, and euthyroid Golden Retriever dogs with nonthyroidal illness (NTI) to determine the diagnostic usefulness of ultrasound for differentiating between euthyroid and hypothyroid dogs. Thirty-six healthy, 11 hypothyroid, and 35 euthyroid dogs with NTI were evaluated. Each thyroid lobe was examined ultrasonographically for size, shape, echogenicity, and homogeneity. Thyroid lobe volume was estimated by using the equation for an ellipsoid: pi/6(length X height x width). No differences were found between healthy dogs and euthyroid dogs with NTI. In the majority of euthyroid dogs, the thyroid lobes were fusiform and triangular in shape in longitudinal and transverse planes, respectively. The thyroid capsule appeared smooth. The thyroid parenchyma had a homogeneous echogenic pattern and usually was hyperechoic or isoechoic compared with the surrounding musculature. Ultrasound findings in hypothyroid dogs were more variable, including a greater frequency of round to oval-shaped thyroid lobes in the transverse imaging plane (P < .05), hypoechogenicity of the thyroid parenchyma compared with surrounding musculature (P < .001), and a decrease in the size and volume of the thyroid lobes and total volume of the thyroid gland (P < .05) compared with euthyroid dogs. Other findings in hypothyroid dogs included an irregular surface to the thyroid capsule, a heterogeneous pattern to the thyroid parenchyma, and differences in the echogenic pattern between the left and right thyroid lobes. Results suggest that determination of thyroid size and volume by ultrasound may be a useful adjunctive test for differentiating between hypothyroid and euthyroid dogs with NTI.


Subject(s)
Dog Diseases/diagnostic imaging , Hypothyroidism/veterinary , Thyroid Gland/diagnostic imaging , Animals , Dogs , Female , Hypothyroidism/diagnostic imaging , Male , Thyrotropin/blood , Thyroxine/blood , Ultrasonography
19.
Am J Vet Res ; 66(6): 1090-3, 2005 Jun.
Article in English | MEDLINE | ID: mdl-16008236

ABSTRACT

OBJECTIVE: To evaluate and compare the in vitro antifungal properties of lufenuron and nikkomycin Z against isolates of Coccidioides immitis and Aspergillus fumigatus when used singly and in combination with the azole antifungal agent itraconazole. SAMPLE POPULATION: 3 clinical isolates of A fumigatus and the Silveira strain of C immitis. PROCEDURE: The fungal isolates were tested in vitro for susceptibility to the single and combination of compounds by use of microtiter-format susceptibility methods. Minimum inhibitory concentration end points were determined visually, and the contents of representative wells were examined microscopically for evidence of morphologic effects on fungi. RESULTS: No evidence of inhibition, either by susceptibility testing or direct microscopic examination of treated cells, was obtained with lufenuron under experimental conditions. In contrast, nikkomycin Z, a known inhibitor of fungal chitin synthesis, had potent activity against C immitis when used singly. A synergistic interaction between nikkomycin Z and itraconazole was found against isolates of both species tested. CONCLUSIONS AND CLINICAL RELEVANCE: On the basis of our in vitro data, lufenuron does not appear to possess antifungal properties.


Subject(s)
Aminoglycosides/toxicity , Antifungal Agents/toxicity , Aspergillus fumigatus/drug effects , Benzamides/toxicity , Coccidioides/drug effects , Itraconazole/toxicity , Microbial Sensitivity Tests
20.
Top Companion Anim Med ; 30(1): 2-4, 2015 Mar.
Article in English | MEDLINE | ID: mdl-26041589

ABSTRACT

Preterm labor (PTL), myometrial activity, and accompanying cervical changes can lead to the loss of pregnancy via resorption or abortion before term gestation. Idiopathic PTL has no metabolic, infectious, congenital, traumatic, or toxic cause identified; however, hypoluteoidism has been hypothesized to cause PTL in the bitch, based on progesterone measurements at the time of clinical pregnancy loss. This study documents the use of tocodynamometry to detect PTL in 5 bitches; progesterone measurements in these bitches were normal for pregnancy at the time PTL was diagnosed.


Subject(s)
Dog Diseases/diagnosis , Obstetric Labor, Premature/veterinary , Uterine Monitoring/veterinary , Abortion, Veterinary/prevention & control , Animals , Diagnosis, Differential , Dogs , Female , Luteolysis , Obstetric Labor, Premature/diagnosis , Pregnancy , Progesterone/blood
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