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Prevelance Of Brucellosis In Aborted Women Visiting Tertiary Care Hospitals Of Lahore City

By: Saba Yasmin (2009-VA-211) | Prof. Dr. Aftab Ahmad Anjum.
Contributor(s): Dr. Tayyaba Ijaz (Co Supervisor) | Prof. Dr. Khushi Muhammad | Dr. Muhammad Tayyab.
Material type: materialTypeLabelBookPublisher: 2015Description: 66p.Subject(s): Department of MicrobiologyDDC classification: 2225-T Dissertation note: Pakistan is an agriculture based country whose rural population depends upon livestock for livelihood. Contribution of livestock to agriculture sector is 55.9 percent while 11.8 percent to the national GDP during 2013-14 (GOP 2013-2014). A number of infectious diseases hamper the growth of livestock sector. Some of the livestock diseases are zoonotic in nature and threat to human health. Brucellosis is considered among major zoonotic diseases throughout the world. The Mediterranean Basin, south and Central America, Eastern Europe, Asia, Africa, the Caribbean and the Middle East are considered as high-risk countries (Memish 2001). Brucellosis in human beings is a major concern of community health. It causes acute and chronic illness, physical incapacity and loss of health. Bacterial species involved include Brucella abortus, Brucella melitensis or Brucella suis. Brucellosis is acquired by human beings from infected animals by close contact with vaginal secretions, urine, feces, blood, aborted fetus, or consumption of unpasteurized milk or other raw milk products. Shepherds, milkmen, butchers, knackers, veterinary assistants and abattoir workers are at high risk (Agasthya et al. 2007). Prevalence of brucellosis recorded by Mukhtar and Kokab (2008) in abattoir workers of Lahore Pakistan was 21.7 percent. Higher prevalence of brucellosis was observed in females (37.06%) than males (24.2%) in patients admitted at Peshawar, Pakistan (Shahid et al. 2014). Symptoms of disease vary among human patients, ranging from non–specific, flu-like symptoms (acute form) to undulant fever (chronic form). Some of the serious complications of skeletal system, cardiovascular and central nervous systems may develop. Other important signs observed include arthritis, orchitis, epididymitis, abortion, retained placenta and stillbirth (Baba et al. 2001; Grilló et al. 2006). In animals, brucellosis in most of the cases results in abortion, birth of weak calves, death of young stock, infertility in males and reduced milk yield in females (Maadi et al. 2011; Abubakar et al. 2012). There is actual need for teamwork between public health officials and veterinary officers to reduce communication of brucellosis between animals and human in endemic areas (Jelastopulu et al. 2008; Makis et al. 2008). Clinical picture of brucellosis is nonspecific and may vary from patient to patient. Therefore, laboratory diagnosis by isolation and culture or recognition of specific anti–Brucella antibodies is essential for confirmation of brucellosis (Al-Attas et al. 2000). Diagnosis of brucellosis by culture and phenotypic description is time-consuming. Furthermore, risk of infection to worker is always there. Serological tests are commonly preferred for brucellosis in cattle and small ruminants, especially at farm level screening. Chance of cross-reactions with other gram negative bacteria is a major problem. Rose Bengal Plate Agglutination Test (RBPT) and Slow Agglutination Test (SAT) are extensively used for detection of anti-Brucella antibodies (Halling et al. 2005). Enzyme Linked Immunosorbent Assays (ELISA) have been developed to resolve suspected samples by RBPT. ELISA is more sensitive, so it can detect Brucella carriers which are negative by RBT, SAT and CFT (Aert et al. 1984). Molecular techniques are more reliable and specific than serological tests. Final confirmation of brucellosis is carried out using polymerase chain reaction (PCR), a molecular technique. Real-time PCR offers enhanced sensitivity, specificity and rapidity of performance when compared to conventional PCR (Gwida et al. 2012).
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Item type Current location Collection Call number Status Date due Barcode Item holds
Thesis Thesis UVAS Library
Thesis Section
Veterinary Science 2225-T (Browse shelf) Available 2225-T
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Pakistan is an agriculture based country whose rural population depends upon livestock for livelihood. Contribution of livestock to agriculture sector is 55.9 percent while 11.8 percent to the national GDP during 2013-14 (GOP 2013-2014). A number of infectious diseases hamper the growth of livestock sector. Some of the livestock diseases are zoonotic in nature and threat to human health. Brucellosis is considered among major zoonotic diseases throughout the world. The Mediterranean Basin, south and Central America, Eastern Europe, Asia, Africa, the Caribbean and the Middle East are considered as high-risk countries (Memish 2001).
Brucellosis in human beings is a major concern of community health. It causes acute and chronic illness, physical incapacity and loss of health. Bacterial species involved include Brucella abortus, Brucella melitensis or Brucella suis. Brucellosis is acquired by human beings from infected animals by close contact with vaginal secretions, urine, feces, blood, aborted fetus, or consumption of unpasteurized milk or other raw milk products. Shepherds, milkmen, butchers, knackers, veterinary assistants and abattoir workers are at high risk (Agasthya et al. 2007). Prevalence of brucellosis recorded by Mukhtar and Kokab (2008) in abattoir workers of Lahore Pakistan was 21.7 percent. Higher prevalence of brucellosis was observed in females (37.06%) than males (24.2%) in patients admitted at Peshawar, Pakistan (Shahid et al. 2014).
Symptoms of disease vary among human patients, ranging from non–specific, flu-like symptoms (acute form) to undulant fever (chronic form). Some of the serious complications of skeletal system, cardiovascular and central nervous systems may develop. Other important signs observed include arthritis, orchitis, epididymitis, abortion, retained placenta and stillbirth (Baba et al. 2001; Grilló et al. 2006). In animals, brucellosis in most of the cases results in abortion, birth of weak calves, death of young stock, infertility in males and reduced milk yield in females (Maadi et al. 2011; Abubakar et al. 2012).
There is actual need for teamwork between public health officials and veterinary officers to reduce communication of brucellosis between animals and human in endemic areas (Jelastopulu et al. 2008; Makis et al. 2008). Clinical picture of brucellosis is nonspecific and may vary from patient to patient. Therefore, laboratory diagnosis by isolation and culture or recognition of specific anti–Brucella antibodies is essential for confirmation of brucellosis (Al-Attas et al. 2000).
Diagnosis of brucellosis by culture and phenotypic description is time-consuming. Furthermore, risk of infection to worker is always there. Serological tests are commonly preferred for brucellosis in cattle and small ruminants, especially at farm level screening. Chance of cross-reactions with other gram negative bacteria is a major problem. Rose Bengal Plate Agglutination Test (RBPT) and Slow Agglutination Test (SAT) are extensively used for detection of anti-Brucella antibodies (Halling et al. 2005). Enzyme Linked Immunosorbent Assays (ELISA) have been developed to resolve suspected samples by RBPT. ELISA is more sensitive, so it can detect Brucella carriers which are negative by RBT, SAT and CFT (Aert et al. 1984). Molecular techniques are more reliable and specific than serological tests. Final confirmation of brucellosis is carried out using polymerase chain reaction (PCR), a molecular technique. Real-time PCR offers enhanced sensitivity, specificity and rapidity of performance when compared to conventional PCR (Gwida et al. 2012).

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