scholarly journals Culture technique of endangered Notopterus chitala (Hamilton, 1822) with Oreochromis niloticus for domestication in pond habitat

2017 ◽  
Vol 52 (3) ◽  
pp. 187-194
Author(s):  
MA Samad ◽  
M Farjana ◽  
SK Chatterjee ◽  
MM Rahman ◽  
SC Barman
Keyword(s):  
Body Weight ◽  
Oreochromis Niloticus ◽  
Growth Parameters ◽  
Mean Value ◽  
Culture Technique ◽  
Total Production ◽  
Total Income ◽  
Net Profit ◽  
Final Weight ◽  
The Mean

An experiment was carried out for a period of 180 days (1stApril to 30 th September) in 2015 to find out a the suitable culture technique of Notopterus chitala (Hamilton-Buchanan, 1882) in pond habitats located at the Hatchery Complex, Department of Fisheries, University of Rajshahi. The experiment was conducted under 3 treatments (T1: only feed used, T2: feed and Tilapia, T3: only Tilapia used) each with 3 replications. Mean stocking weight of Notopterus chitala was 21.4±0.27 g for all treatments. Basal fertilization was same for all the treatments (cowdung: 1235 kg/ha, urea: 50 kg/ha, TSP: 50 kg/ha). Feed (8-10% of body weight) and fertilized (weekly with cowdung 1000 kg/ha,) based farming was followed in all treatments. Mean value of water temperature varied from 32.53±0.04°C (T2) to 32.57±0.03°C (T1) to transparency 32.34±0.68 (T2) cm to 33.87±0.37cm (T3), Dissolved Oxygen 4.76±0.04mg/l (T3) to 4.91±0.04 mg/1 (T1), pH 7.62±0.03 (T1) to 7.70±0.05 (T2) , alkalinity 127.04±1.4 mg/l (T2) to 131.46±0.92 mg/1 (T3),respectively. The mean value of different growth parameters varied with the followings-final weight 380±.88 g (T1) to  645 ± .57g (T2), weight gain 358.6 ± .14g (T1) to 623.60± .02g (T2), SGR (% bwd-1) 3.84±.02 (T1) to 4.54± .01(T2).The survival rate between 93.33±6.67 % (T1) to 100 ± 0.00 %(T2), and the total production of Notopterus chitala was found 1593.2±2.46(T2) Kg/ha/180 days which was significantly higher than that of others treatments 938.6 ±31.29 (T1), 1133.7±62.98  (T3) respectively. The growth parameters are significantly different among the treatments. The total production of Tilapia was observed 1790.18±0.7(T2) kg/ha/180 days which was higher than 1584.9±0.39(T3).The combined production (Chital + Tilapia) of fish was obtained 3383.2±2.86(T2) which was higher than those of 938.6 ±31.29(T1) and 2718.6±50.1(T3) respectively.The total income raised from 394200±6.36BDT/ha (T1) to 736548±24.04 BDT/ha (T2), net profit 209180±12.49BDT/ha (T1) to 468258±17.63BDT/ha (T2) and CBR 1.13±.01 (T1) to 1.75±.02 (T2) respectively and all growth parameters were significantly (P<0.05) different among the treatments. Treatment T2 (feed and Tilapia used) was proved best in terms of production and economics of N. chitala culture in pond habitats based on experimental results.Bangladesh J. Sci. Ind. Res. 52(3), 187-194, 2017

Analysis of Red Cell Mass and Plasma Volume in Patients With Polycythemia

2005 ◽  
Vol 129 (1) ◽  
pp. 89-91 ◽  
Author(s):  
Mordechai Lorberboym ◽  
Naomi Rahimi-Levene ◽  
Helena Lipszyc ◽  
Chun K. Kim
Keyword(s):  
Body Weight ◽  
Plasma Volume ◽  
Cell Mass ◽  
Mean Value ◽  
Whole Body ◽  
Red Cell ◽  
Volume Data ◽  
Red Cell Mass ◽  
The Mean ◽  
Iodine 125

Abstract Context.—Polycythemia describes an increased proportion of red blood cells in the peripheral blood. In absolute polycythemia, there is increased red cell mass (RCM) with normal plasma volume, in contrast with apparent polycythemia, in which there is increased or normal RCM and decreased plasma volume. In order to deliver the appropriate treatment it is necessary to differentiate between the two. Objective.—A retrospective analysis of RCM and plasma volume data are presented, with special attention to different methods of RCM interpretation. Design.—The measurements of RCM and plasma volume in 64 patients were compared with the venous and whole-body packed cell volume, and the incidence of absolute and apparent polycythemia was determined for increasing hematocrit levels. Measurements of RCM and plasma volume were performed using chromium 51–labeled red cells and iodine 125–labeled albumin, respectively. The measured RCM of each patient was expressed as a percentage of the mean expected RCM and was also defined as being within or outside the range of 2 SD of the mean. The results were also expressed in the traditional manner of mL/kg body weight. Results.—Twenty-one patients (13 women and 8 men) had absolute polycythemia. None of them had an increased plasma volume beyond 2 SD of the mean. When expressed according to the criteria of mL/kg body weight, 17 of the 21 patients had abnormally increased RCM, but 4 patients (19%) had a normal RCM value. Twenty-eight patients had apparent polycythemia. The remaining 15 patients had normal RCM and plasma volume. Conclusions.—The measurement of RCM and plasma volume is a simple and necessary procedure in the evaluation of polycythemia. In obese patients, the expression of RCM in mL/kg body weight lacks precision, considering that adipose tissue is hypovascular. The results of RCM are best described as being within or beyond 2 SD of the mean value.

scholarly journals Application of Scaevola taccada (Gaertn.) Roxb. Reduce Pro-inflammatory Cytokines Interleukin-1β in Sprague Dawley Mice Suffering from Mastitis

2020 ◽  
Vol 8 (A) ◽  
pp. 423-427
Author(s):  
Prihantono Prihantono ◽  
Salman Ardi Syamsu ◽  
Nilam Smaradhania ◽  
Mardiana Ahmad ◽  
Nurul Aini Siagian ◽  
...  
Keyword(s):  
Body Weight ◽  
Positive Control ◽  
Mean Value ◽  
Negative Control ◽  
Interleukin 1Β ◽  
Sprague Dawley ◽  
Leaf Extracts ◽  
Group Iii ◽  
Group I ◽  
The Mean

BACKGROUND: Mastitis is an inflammation of the breast tissue, usually caused by bacteria. Mastitis stimulates pro-inflammatory cytokines. The cytokine interleukin-1β (IL-1β) is a crucial mediator of the inflammatory response. This cytokine has adverse effects of hosting immunity that mediates resistance to pathogens and also exacerbates damage during chronic disease and acute tissue injury. Scaevola taccada (Gaertn.) Roxb. has been used as an ethnomedicine for healing sores in several provinces in Indonesia. AIM: This study aimed to assess the profile of pro-inflammatory cytokine IL-1β through the treatment effect of leaf extracts of S. taccada (Gaertn.) Roxb. as adjuvant for healing mastitis. METHODS: This study was a true control group experiment using the pre-test-post-test control design aimed to measure the effect of hydroalcoholic compounds in leaf extracts of S. taccada on the systemic pro-inflammatory activity of interleukin-1β (IL-1β). The treated animals were 18 mice of Sprague Dawley strain induced by Staphylococcus aureus. These treated mice were divided into three groups in which each group consisted of six mice. The mice in the Group I (negative control) were given 1 ml aquabides/250 g body weight, those in the Group II (positive control) were delivered with 9.6 mg/ml amoxicillin/250 g body weight, and those in the Group III (experimental) were given 9.6 mg amoxicillin/250 g body weight + 400 mg/ml leaf extracts of S. taccada/g body weight for 5 days, respectively. Pathological examinations were carried out from the inflamed tissues to prove the healing process of the treated mice. IL-1Β levels were determined using the enzyme-linked immunosorbent assay method. Data were analyzed using ANOVA and post hoc tests. RESULTS: There were statistically significant differences of IL-1β levels after the administration of leaf extracts of S. taccada among all the treated mice groups at p < 0.05. The Group III had the lowest IL-1β level with the mean value ± 1.45 pg/ml compared to the IL-1β level in the Group II (positive control) with the mean value ± 3.82 pg/ml and the IL-1β level in the Group I (negative control) with the with mean value ± 5.22 pg/ml. The pathological analysis of breast tissues of the treated mice proved that leaf extracts of S. taccada (Gaertn Roxb.) could reduce damaged tissues, cellular infiltration, and subcutaneous edema induced by this pathogenic microorganism. CONCLUSION: Leaf extracts of S. taccada had a significant function as adjuvant for healing mastitis by reducing pro-inflammatory cytokine IL-1β.

Selenium concentrations in tissues of sheep given a subcutaneous injection of barium selenate or sodium selenate

1994 ◽  
Vol 34 (5) ◽  
pp. 581 ◽  
Author(s):  
JA Archer ◽  
GJ Judson
Keyword(s):  
Body Weight ◽  
Subcutaneous Injection ◽  
Mean Value ◽  
The Body ◽  
Transient Increase ◽  
Sodium Selenate ◽  
Human Consumption ◽  
Protective Mechanism ◽  
Treatment Groups ◽  
The Mean

Young sheep were allocated to 6 treatment groups, each of 8 ewes and 8 wethers. Treatments given were nil, 0.1, or 0.5 mg selenium (Se)/kg body weight as a subcutaneous injection of sodium selenate (Na2SeO4), and 0.8, 1.4, or 2.9 mg Se/kg body weight as a subcutaneous injection of barium selenate (BaSeO4). At 14, 28, 56, and 112 days after treatment, 2 ewes and 2 wethers from each group were slaughtered and samples of blood, liver, kidney, cardiac and skeletal muscle, lymph nodes, and faeces were collected for Se assay. On days 0, 1, 3, 7, 13, 27, and 55 blood and spot faecal samples were taken for Se assay from the 24 sheep selected for slaughter on day 112. In sheep given Na2Se04 there was a rapid but transient increase in the mean Se concentration in tissues, particularly the liver of sheep given the highest dose of Na2SeO4. In these sheep on days 14,28,56, and 112 the respective mean liver concentrations were 169, 62,25, and 6.9 �mol/kg DM: the mean value on day 14 was 15 times the mean value in untreated sheep. In sheep given BaSeO4 there was a gradual increase in mean Se concentration of tissues during the experiment. Faecal Se concentrations increased in sheep given the Se injections. The marked but transient increase in liver Se concentrations in sheep given Na2SeO4 suggests that this organ provides an important protective mechanism against toxicity by readily accumulating and excreting Se into the gut. Our results indicate that the BaSeO4 doses were unlikely to cause Se toxicity in young sheep or result in Se residues in tissues above those recommended for human consumption. The BaSeO4 should be administered subcutaneously in the neck or other sites of the body not sold for human consumption, since deposits of BaSeO4 remain at the site of injection for at least 112 days and may be dangerous if inadvertently consumed.

scholarly journals Fecundity and gonadosomatic index of Glossogobius giuris (Hamilton, 1822) from the Payra River, Patuakhali, Bangladesh

2014 ◽  
Vol 2 (2) ◽  
pp. 141 ◽  
Author(s):  
Animesh Roy ◽  
Md. Shakhawate Hossain ◽  
Mohammad Lutfar Rahman ◽  
Mohammad Abdus Salam ◽  
Mir Mohammad Ali
Keyword(s):  
Body Weight ◽  
Gonadosomatic Index ◽  
Fish Population ◽  
Mean Value ◽  
Gonad Weight ◽  
Weight Relationship ◽  
Total Length ◽  
Breeding Technique ◽  
The Mean ◽  
Glossogobius Giuris

Glossogobius giuris were collected during March to September 2013 from the Payra river to estimate the length-weight relationship with relative condition factor (Kn), fecundity, gonadosomatic index (GSI) and relation between fecundity and other parameters. The length-weight relationship was found to be Log W= 2.667 Log TL – 1.805 in male and Log W = 2.931 Log TL – 2.040 in female. The mean Kn were found to be 1.02±0.155 for male and 0.97±0.276 for female which indicates satisfactory condition of the fish population. The mean relative fecundity was ranged from 88495 to 264104 with a mean value of 171581±17855, having a average total length of 21.21±0.44 cm, body weight 70.22±4.62 g and gonad weight 2.74±0.31 g. The relationships among the fecundity, the total length, body weight, gonad weight were found to be linear and positively correlated. The mean GSI value was 3.42±0.33 and the highest GSI value was recorded 9.34±0.71 in the month of September. This study will help to introduce this species in sustainable aquaculture through proper management and for the development of induced breeding technique.

scholarly journals Comparison between cage and pond production of Thai Climbing Perch (Anabas testudineus) and Tilapia (Oreochromis niloticus) under three management systems

1970 ◽  
Vol 8 (2) ◽  
pp. 313-322 ◽  
Author(s):  
MN Mondal ◽  
J Shahin ◽  
MA Wahab ◽  
M Asaduzzaman ◽  
Y Yang
Keyword(s):  
Body Weight ◽  
Mixed Culture ◽  
Oreochromis Niloticus ◽  
Management Systems ◽  
Anabas Testudineus ◽  
Pond Aquaculture ◽  
Open Pond ◽  
Climbing Perch ◽  
Pond Culture ◽  
The Mean

An experiment was conducted to compare production and economic performance of Thai Climbing Perch (Anabas testudineus) and Tilapia (Oreochromis niloticus) under three management systems. The nursed juveniles of Thai Climbing Perch (6.22 ± 0.15g) and Tilapia (22.52 ± 0.73g) were stocked at 50 Thai Climbing Perch per 1m3 cage and 50 Tilapia per 80m2 open pond (Caged Perch); 50 Tilapia per 1m3 cage and 50 Thai Climbing Perch per 80 m2 open pond (Caged Tilapia); and both 50 Thai Climbing Perch and 50 Tilapia per 80m2 pond (Mixed culture) as three treatments with three replicates for each. Pelleted feed (35% crude protein) was given twice daily (8.0 h and 16.0 h) at a rate of 10% body weight of Thai Climbing Perch for first month and 5% body weight of Thai Climbing Perch for rest of the culture period (90 days) to cages for the integrated cage-pond culture and to open ponds for the mixed culture. Among the measured water quality parameters transparency (cm), alkalinity (mg l-1), nitrite-nitrogen (mg l-1), and chlorophyll-a (μg l-1) were significantly different among the treatments. A total of 43 genera of phytoplankton and 16 genera of zooplankton were identified from the pond water. The mean abundance of total macro-benthic organisms was not significantly different (P>0.05). The mean survival rate of Thai Climbing Perch was high, ranging from 86.67% to 98.67%. Gross yield of Thai Climbing Perch was the highest in the Caged Perch. Survival of Tilapia was also high, ranging from 94.00% to 96.67%. The combined FCRs were 0.75, 0.77 and 0.85 in the Caged Perch, Mixed culture and Caged Tilapia systems, respectively. Economic analysis revealed that a significantly higher (P<0.05) cost-benefit ratio was obtained in the Caged Perch treatment. Therefore, it is concluded that the integrated cage-pond culture system with the high-valued Thai Climbing Perch in cages and low-valued Tilapia in open ponds may be a better option for rural pond aquaculture considering the production and economic benefit. Keyword: Cage culture; Integrated aquaculture; Climbing Perch; Tilapia DOI: 10.3329/jbau.v8i2.7943 J. Bangladesh Agril. Univ. 8(2): 313-322, 2010  

INTERRELATIONSHIPS BETWEEN BLOOD COAGULATION FACTORS AND PLASMA HORMONE LEVELS IN THE PERIPARTURIENT SOW

1984 ◽  
Vol 64 (3) ◽  
pp. 655-665 ◽  
Author(s):  
R. M. LIPTRAP ◽  
P. A. GENTRY
Keyword(s):  
Body Weight ◽  
Coagulation Factors ◽  
Mean Value ◽  
Plasma Fibrinogen ◽  
Blood Coagulation Factors ◽  
Transient Decrease ◽  
Coagulation Proteins ◽  
Prostaglandin F ◽  
The Mean ◽  
Plasma Hormone

A significant increase (P < 0.01) in plasma fibrinogen values and a concurrent decrease in hematocrit values were observed at parturition in seven sows. Plasma fibrinogen values remained elevated and those of the hematocrit remained depressed through the 7-day postpartum period. Although the mean value was not statistically significant, a transient decrease in circulating platelet numbers was observed for each pregnant sow shortly before parturition. Values for 13,14-dihydro-15-keto-prostaglandin F2 alpha (PGFM) rose markedly at parturition. Injection of prostaglandin F2 alpha (PGF2 alpha) into four ovariectomized sows and two castrated boars resulted in a statistically significant increase in plasma fibrinogen levels (P < 0.01) and a transient decrease in platelet counts (P < 0.01). In four ovariectomized sows, administration of progesterone (1 mg/kg body weight) also produced a small elevation in fibrinogen values. The fibrinogen response in sows was not directly related to the amount of progesterone since no further increase occurred when the dose of hormone was doubled. Fibrinogen values in four castrated boars were unaffected by injection of either dose of progesterone. No changes were observed in the circulating activity of other coagulation proteins at the time of parturition and these were not altered by administration of estrogen, progesterone or PGF2 alpha. Key words: Pigs, parturition, coagulation factors, hormones

scholarly journals Overview of Gulf of Mottama Wetland (GoMW) & Size Distribution and Economic Status of Sea Bass in Myanmar

2021 ◽  
Author(s):  
Phyoe Marnn ◽  
Chunguang He ◽  
Haider Ali ◽  
Soe Moe Tun ◽  
Khin Swe Wynn ◽  
...  
Keyword(s):  
Body Weight ◽  
Value Chain ◽  
Standard Length ◽  
Economic Status ◽  
Economic Valuation ◽  
Sea Bass ◽  
Mean Value ◽  
The Status ◽  
The Mean ◽  
Study Sites

The present study was conducted the status of sea bass from Kokko and Kyuntone of The Gulf of Motttama Wetland (GoMW) area in Thanatpin Township in Bago Region Myanmar from September 2019 to August 2020. Fifty specimens were monthly collected, measured and weighed. Invoices of sea bass were collected for the depot and fish sellers by monthly. In Kokko, mean value of standard length and body weight were highest in March (32.70±1.58, 660.7±112.23). The mean value of standard length was peak in January (31.39±7.16) but peak of body weight was in March (963.24±280.86) in Kyuntone villages. The lowest mean value of standard length and body weight were found in June at both study areas. According to the invoice data revealed that monthly catch weight of sea bass is most abundance in October (829.92) kg in Kokko, (339.12) kg in Kyuntone. Based on price of relations to size group, small size C &amp;lt; 300g (41%) was mostly abundance in Kokko and in Kyuntone small size C &amp;lt; 300g (35%) was second abundance. Specimens were not landed in April and May. In June, young specimens were very rarely seen in both study sites. The important roles of wetland fishes, the economic valuation of GOMW in Myanmar and samples of fishing gear and value chain of sea bass in Myanmar was expressed in this study.

scholarly journals Evaluation of Electrocardiographic Parameters, Thoracic Morphometry and Vertebral Heart Size in Clinically Normal Dogs

2019 ◽  
Vol 47 (1) ◽  
Author(s):  
Maíra Prestes Margarido ◽  
Natalí Faria Martins ◽  
Paola Caroline Da Silva Nunes ◽  
Odair Confella-Júnior ◽  
Deise Carla Almeida Leite-Dellova
Keyword(s):  
Body Weight ◽  
Mean Value ◽  
Medium Size ◽  
Width Ratio ◽  
Thoracic Vertebrae ◽  
Clinically Normal ◽  
Heart Size ◽  
Healthy Dogs ◽  
The Mean ◽  
Electrocardiographic Parameters

Background: The Vertebral Heart Size (VHS) method sets standards for the evaluation of dog’s heart size from the comparison of the cardiac dimension with the length of the thoracic vertebrae through radiographic study. Electrocardiogram (ECG) is widely used in veterinary medicine for the evaluation of electrical conduction system of the heart; however, the increase of duration and amplitude of the ECG waves can suggest the increase of cardiac chambers in dogs. The scientific literature presents electrocardiographic and VHS values for dogs of different breeds and sizes; however, there is little information on the correlation of these parameters. Therefore, the aim of this study was to evaluate the amplitude and duration of ECG waves, thoracic morphometry and VHS values, in order to correlate these parameters in clinically normal dogs.Materials, Methods & Results: Twenty healthy dogs (11 females and 9 males), without breed distinction, medium sized (14.46 ± 2.92 kg) and aged between 1 and 8 years, were evaluated through physical examination, digital ECG (frontal and precordial leads) and thorax X-ray in right lateral (RL), left lateral (LL) and ventrodorsal (VD) projections. Thoracic morphometry and VHS measurements were determined as previously described. Clinical and ECG parameters were compatible with the references in all dogs evaluated. Dogs (75%) presented thorax intermediate with the depth and width ratio (D/W ratio) > 1.0. Some individual VHS values were higher than the references and the mean VHS values in VD projection was higher than in RL and LL projections (n = 20; P < 0.05). Female and male dogs did not differ among the evaluated parameters. A positive correlation was observed between thoracic morphometry and body weight (r ≥ +0.70; P < 0.001) and a negative correlation was found between the D/W ratio and VD VHS (r = -0.62; P < 0.05). No significant correlations were observed between the age, ECG parameters, thoracic morphometry and VHS measurements.Discussion: The majority of dogs presented intermediate thorax, a common characteristic for healthy dogs of different breeds. Some dogs had higher VHS values in different projections, when compared to references. The same has been reported by others authors for diferent breeds. However, there is no consensus about VHS values for all sexes, breeds and physical conformations in dogs. In agreement with other authors, the mean value of VD VHS was higher in relation to RL and LL VHS; however, RL and LL VHS did not differ. Positive and significative correlations were observed between body weight and thorax depth, and between body weight and thorax width, confirming that larger dogs had greater thoracic measurements. The thorax type could influence the VHS, when this parameter is determined by VD projection, because was observed a negative and significative correlation between the D/W ratio and VD VHS. So, the dogs with a deeper thorax may have lower VHS values. The correlation between VHS measurements and duration and amplitude of the ECG waves was weak, possibly because the dogs evaluated had no clinical and radiographic signs of cardiomegaly. The results of this work indicated that dogs of medium size, without signs of cardiovascular or pulmonary disease, may have higher values for VHS; besides that, thoracic morphometry may alter VHS measurement obtained from the VD projection. In addition, ECG parameters were not influenced by thoracic morphometry and had no correlation with VHS measurements.

scholarly journals Analisis Pendapatan Usaha Ikan Nila (oreochromis niloticus) dengan Pemberian Pakan Pelet Organik (ppo) dari Limbah Feses Sapi, Bungkil Kedelai, Dedak, dan Probiotik

2017 ◽  
Vol 2 (2) ◽  
pp. 376-385
Author(s):  
Muhammad Khomarun Zaman ◽  
Zulfan Zulfan ◽  
M. Aman Yaman
Keyword(s):  
Body Weight ◽  
Rice Bran ◽  
Soybean Meal ◽  
Oreochromis Niloticus ◽  
Feed Consumption ◽  
Research Station ◽  
Total Income ◽  
Final Body Weight ◽  
Cattle Feces ◽  
Commercial Diets

Abstract. The objective of present study was to determine effect of feeding tilapia  fishes (Oreochromis niloticus) with the commercial diets partially substituted by Organic Pelet Feed  (OPF) composed by cattle feces,  soybean meal, rice bran, and probiotic on total income.  The study was conducted  in  Research Station II Ie Sueum,  Syiah Kuala University,  June 1 until  August 29,  2016.  The study used 1600 of  a week old of tilapia fish.  The study was performed into completely randomized design (CRD) consisting of 4 treatments and 4 replications.  Each replication was an experimental unit, consisting of 100 fishes.  The treatment tested was feeding tilapia fishes with  commercial diets partially substituted by OPF with the level of  0, 10, 20, and 30%, respectively.  The OPF was made up of cattle feces 50%+rice bran 30%+soybean meal 19%+probiotic 1%.  Parameters measured were final body weight (FBW),  total feed consumption (TFC), and Income Over Feed Cost (IOFC) as well as total income.  The data of  FBW and TFC were analyzed by Analysis of  Variance (ANOVA) (Ott, 1993), while  the data of IOFC and total income were analyzed by the economical parameters of R/C and B/C ratio (Soekartawi, 1995).  The results of study showed that OPF could be used up to 20% to substitute commercial diet in raising tilapia fish with the best level was  10% most significantly (P0,01) increasing body weight of tilapia fish.  It was considered that the highest income of  raising tilapia fish was resulted by administrating 10% OPF.   

scholarly journals The importance of timely ophthalmologic examination in preterm infants at risk of retinopathy occurrence

2012 ◽  
Vol 69 (9) ◽  
pp. 765-770
Author(s):  
Sanja Knezevic ◽  
Nadezda Stojanovic ◽  
Ana Oros ◽  
Jasmina Knezevic
Keyword(s):  
Body Weight ◽  
Birth Weight ◽  
Gestational Age ◽  
Mean Value ◽  
Severe Form ◽  
Healthy Children ◽  
Ophthalmological Examination ◽  
Mean Values ◽  
Severe Stage ◽  
The Mean

Background/Aim. Retinopathy of prematurity (ROP) is a multifactorial disease in premature infants. The aim of this study was to determine the incidence of ROP in children treated at the Center of Neonatology, Pediatric Clinic, Clinical Center in Kragujevac, Serbia. Methods. The study covered all children with birth weight below 2,000 g and/or gestational age below the 37th week, who from June 2006 to December 2009 underwent ophthalmological examination for ROP. The results of fundoscopy were classified in accordance with the International Classification of ROP. The treatment of infants and those with ROP was conducted in accordance with the early treatment of ROP study recommendations. We analyzed gestational age, birth weight and postconceptional age in two groups: healthy infants and those with severe form of ROP. Statistical analysis was performed using the SPSS 16. Results. A total of 478 children met the criteria of screening for ROP. Severe stage of ROP, which required laser treatment, had 102 (21.3%) children. Out of the infants with severe ROP 14 (13.7%) of the infants with APD had aggressive posterior disease, while two (0.4%) remained blind. The differences in the mean values of gestational age between the healthy and the children with severe form of the disease were statistically significant (p < 0.0005). The mean value of gestational age for the healthy children was 33.33 ? 2.28 weeks and for the seek infants 30.66 ? 2.79 weeks. The mean value of the weight in healthy children was 1.981 ? 407 g, and in sick children 1.535 ? 434 g which was statistically significant (p < 0.0005). Multivariate binary logistic regression showed that the occurrence of the disease depends on body weight and gestational age. Conclusion. The incidence of severe forms of ROP was 21.3%. Aggressive form of ROP was present in 13.7% of the children. The cut-off value for body weight was 1.740 g, and for gestational age 32.5 weeks.

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