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Pathological findings in spontaneously dead and euthanized sows - a descriptive study.

ABSTRACT: Background:A high rate of euthanized and spontaneously dead sows causes production losses and likely indicates underlying welfare problems. Identification of predisposing factors to on-farm deaths requires a thorough understanding of the causes. Post-mortem examination is needed for a proper diagnosis. The aims of this descriptive study were to determine causes of spontaneous deaths and euthanasia in sows in a convenience sample of Finnish herds and to describe pathological findings in the locomotor system and in teeth and gums. Results:This study described post-mortem findings in 65 sows found dead or euthanized on 15 farms. All but one of the sows presented with two or more pathological findings. The majority of primary pathologic-anatomic diagnoses (PAD-1) were inflammatory. The most prevalent diagnoses were arthritis and peritonitis (9% of sows each). The locomotor system was the body part most commonly affected by lesions. Findings in the locomotor system unassociated with death were present in 85% of the animals, additionally 29% of PAD-1?s concerned the locomotor system. The prevalence for both degenerative joint disease and tooth wear was 71%. Farmers had noted clinical signs within 30?days of death in every euthanized sow and in half of the spontaneously dead ones. The farmer's impression of the cause of death agreed at least partly with the PAD-1 in 44% of the cases. Conclusion:Multiple pathologies were the norm in the present animals. This may indicate an extended course of illness and therefore also an unnecessary delay in medical treatment or euthanasia. The prevalence and clinical relevance of the most common disorders, including degenerative joint disease and tooth wear, need to be elucidated.

SUBMITTER: Ala-Kurikka E

PROVIDER: S-EPMC6864960 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Pathological findings in spontaneously dead and euthanized sows - a descriptive study.

Ala-Kurikka Eve E Munsterhjelm Camilla C Bergman Paula P Laine Taina T Pekkarinen Henna H Peltoniemi Olli O Valros Anna A Heinonen Mari M

Porcine health management 20191120

<h4>Background</h4>A high rate of euthanized and spontaneously dead sows causes production losses and likely indicates underlying welfare problems. Identification of predisposing factors to on-farm deaths requires a thorough understanding of the causes. Post-mortem examination is needed for a proper diagnosis. The aims of this descriptive study were to determine causes of spontaneous deaths and euthanasia in sows in a convenience sample of Finnish herds and to describe pathological findings in t ...[more]

PMID: 31832226

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Project description:BackgroundA cluster of patients with coronavirus disease 2019 (COVID-19) pneumonia caused by infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) were successively reported in Wuhan, China. We aimed to describe the CT findings across different timepoints throughout the disease course.MethodsPatients with COVID-19 pneumonia (confirmed by next-generation sequencing or RT-PCR) who were admitted to one of two hospitals in Wuhan and who underwent serial chest CT scans were retrospectively enrolled. Patients were grouped on the basis of the interval between symptom onset and the first CT scan: group 1 (subclinical patients; scans done before symptom onset), group 2 (scans done ≤1 week after symptom onset), group 3 (>1 week to 2 weeks), and group 4 (>2 weeks to 3 weeks). Imaging features and their distribution were analysed and compared across the four groups.Findings81 patients admitted to hospital between Dec 20, 2019, and Jan 23, 2020, were retrospectively enrolled. The cohort included 42 (52%) men and 39 (48%) women, and the mean age was 49·5 years (SD 11·0). The mean number of involved lung segments was 10·5 (SD 6·4) overall, 2·8 (3·3) in group 1, 11·1 (5·4) in group 2, 13·0 (5·7) in group 3, and 12·1 (5·9) in group 4. The predominant pattern of abnormality observed was bilateral (64 [79%] patients), peripheral (44 [54%]), ill-defined (66 [81%]), and ground-glass opacification (53 [65%]), mainly involving the right lower lobes (225 [27%] of 849 affected segments). In group 1 (n=15), the predominant pattern was unilateral (nine [60%]) and multifocal (eight [53%]) ground-glass opacities (14 [93%]). Lesions quickly evolved to bilateral (19 [90%]), diffuse (11 [52%]) ground-glass opacity predominance (17 [81%]) in group 2 (n=21). Thereafter, the prevalence of ground-glass opacities continued to decrease (17 [57%] of 30 patients in group 3, and five [33%] of 15 in group 4), and consolidation and mixed patterns became more frequent (12 [40%] in group 3, eight [53%] in group 4).InterpretationCOVID-19 pneumonia manifests with chest CT imaging abnormalities, even in asymptomatic patients, with rapid evolution from focal unilateral to diffuse bilateral ground-glass opacities that progressed to or co-existed with consolidations within 1-3 weeks. Combining assessment of imaging features with clinical and laboratory findings could facilitate early diagnosis of COVID-19 pneumonia.FundingNone.

Project description:ObjectivesThe aim of this study was to explore possible long-term negative health effects of injuries sustained by modern weaponry.SettingThe study was conducted in Gaza's main hospital, Al-Shifa Hospital.ParticipantsDuring the last 10 to 15 years, thousands of civilian Palestinians in Gaza have survived numerous military incursions, but with war-related traumatic injuries caused by explosive weapons. It is unclear to which extent the injuries sustained by such modern weaponry may increase survivors' risks of negative long-term health effects and serious illness. We have reported mechanisms and severity of injury, demographics and psychosocial status among 254 Palestinian patients in Gaza with war-related extremity amputations. Among the same amputees, subgroups of patients presented a variety of alarming symptoms and findings. 94 patients received further diagnostic clinical exploration, radiology imaging and clinical chemistry laboratory tests at the main clinical centre in Gaza, the Al-Shifa Hospital.ResultsNine out of ten of the referred patients were young (median 31.5 years) males (88/94, 92.6%). Ultrasound imaging revealed that 19 of 90 patients (20%) had fatty liver infiltration, 3 patients had lung nodules and 10 patients had lung atelectasis on chest CT. Twelve had remaining shrapnel(s) in the chest, five patients had shrapnel(s) in the abdomen and one in the scrotum. We found shrapnel(s) in the amputation stumps of 26 patient's amputated limbs, while 8 patients had shrapnel in the non-amputated limb. Three patients had liver lesions. Nineteen patients had elevated liver enzymes, 32 patients had elevated erythrocyte sedimentation rate and 12 were anaemic. Two patients tested positive for hepatitis C virus and three were positive for hepatitis B virus (HBV). One of the 19 patients with fatty liver tested positive for HBV. Two of the patients with fatty liver infiltration had elevated glycatedhaemoglobin levels and confirmed diabetes mellitus type II.ConclusionNearly half (44, 8%) had remaining metal fragments from explosives of unknown composition harboured in various parts of their bodies. All patients identified with lesions and nodules are being followed up locally. As of now, we cannot anticipate the long-term health consequences of living with metal residuals from modern explosive weapons embedded in body organs and tissue.

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Pathological findings in spontaneously dead and euthanized sows - a descriptive study.

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Pathological findings in spontaneously dead and euthanized sows - a descriptive study.

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