Age,blood tests and comorbidities and AIMS65 risk scores outperform Glasgow-Blatchford and pre-endoscopic Rockall score in patients with upper gastrointestinal bleeding

BACKGROUND Upper gastrointestinal(GI)bleeding is a life-threatening condition with high mortality rates.AIM To compare the performance of pre-endoscopic risk scores in predicting the following primary outcomes:In-hospital mortality,intervention(endoscopic or surgical)and length of admission(≥7 d).METHODS We performed a retrospective analysis of 363 patients presenting with upper GI bleeding from December 2020 to January 2021.We calculated and compared the area under the receiver operating characteristics curves(AUROCs)of Glasgow-Blatchford score(GBS),pre-endoscopic Rockall score(PERS),albumin,international normalized ratio,altered mental status,systolic blood pressure,age older than 65(AIMS65)and age,blood tests and comorbidities(ABC),including their optimal cut-off in variceal and non-variceal upper GI bleeding cohorts.We subsequently analyzed through a logistic binary regression model,if addition of lactate increased the score performance.RESULTS All scores had discriminative ability in predicting in-hospital mortality irrespective of study group.AIMS65 score had the best performance in the variceal bleeding group(AUROC=0.772;P<0.001),and ABC score(AUROC=0.775;P<0.001)in the non-variceal bleeding group.However,ABC score,at a cut-off value of 5.5,was the best predictor(AUROC=0.770,P=0.001)of inhospital mortality in both populations.PERS score was a good predictor for endoscopic treatment(AUC=0.604;P=0.046)in the variceal population,while GBS score,(AUROC=0.722;P=0.024),outperformed the other scores in predicting surgical intervention.Addition of lactate to AIMS65 score,increases by 5-fold the probability of in-hospital mortality(P<0.05)and by 12-fold if added to GBS score(P<0.003).No score proved to be a good predictor for length of admission.CONCLUSION ABC score is the most accurate in predicting in-hospital mortality in both mixed and non-variceal bleeding population.PERS and GBS should be used to determine need for endoscopic and surgical intervention,respectively.Lactate can be used as an additional tool to risk scores for predicting inhospital mortality.

Evaluating the Efficacy of Fecal Occult Blood Test and Tumor Marker Combined Screening for Colorectal Cancer

Objective:To analyze the screening effectiveness of combining the fecal occult blood test with tumor marker detection for colorectal cancer.Methods:A total of thirty patients with colorectal cancer and thirty patients with benign colon hyperplasia who received treatment from January 2020 to January 2023 were selected.These patients were assigned to the observation group and the control group,respectively.All patients in both groups underwent both fecal occult blood tests and tumor marker detection.The levels of tumor markers between the two groups were compared,the tumor marker levels in different stages were assessed within the observation group,and the positive detection rates for single detection and combined detection were compared.Results:The levels of various tumor markers in the observation group were significantly higher than those in the control group(P<0.05).Furthermore,as the Duke stage increased within the observation group,the levels of various tumor markers also increased(P<0.05).The positive detection rate of the combined test was notably higher than that of single detection(P<0.05).Conclusion:Combining the fecal occult blood test with tumor marker detection in colorectal cancer screening can significantly improve the overall detection rate.

To scope or not-the challenges of managing patients with positive fecal occult blood test after recent colonoscopy

BACKGROUND Colorectal cancer(CRC) is a major health problem. There is minimal consensus of the appropriate approach to manage patients with positive immunochemical fecal occult blood test(iFOBT), following a recent colonoscopy.AIM To determine the prevalence of advanced neoplasia in patients with a positive iFOBT after a recent colonoscopy, and clinical and endoscopic predictors for advanced neoplasia.METHODS The study recruited i FOBT positive patients who underwent colonoscopy between July 2015 to March 2020. Data collected included demographics, clinical characteristics, previous and current colonoscopy findings. Primary outcome was the prevalence of CRC and advanced neoplasia in a patient with positive iFOBT and previous colonoscopy. Secondary outcomes included identifying any clinical and endoscopic predictors for advanced neoplasia.RESULTS The study included 1051 patients(male 53.6%;median age 63). Forty-two(4.0%) patients were diagnosed with CRC, 513(48.8%) with adenoma/sessile serrated lesion(A-SSL) and 257(24.5%) with advanced A-SSL(AA-SSL). A previous colonoscopy had been performed in 319(30.3%). In this cohort, four(1.3%) were diagnosed with CRC, 146(45.8%) with A-SSL and 56(17.6%) with AA-SSL. Among those who had a colonoscopy within 4 years, none had CRC and 7 had AA-SSL. Of the 732 patients with no prior colonoscopy, there were 38 CRCs(5.2%). Independent predictors for advanced neoplasia were male [odds ratio(OR) = 1.80;95% confidence interval(CI): 1.35-2.40;P < 0.001), age(OR = 1.04;95%CI: 1.02-1.06;P < 0.001) and no previous colonoscopy(OR = 2.07;95%CI: 1.49-2.87;P < 0.001).CONCLUSION A previous colonoscopy, irrespective of its result, was associated with low prevalence of advanced neoplasia, and if performed within four years of a positive iFOBT result, was protective against CRC.

Utility of routine blood tests after elective laparoscopic cholecystectomy for symptomatic gallstones

AIM To evaluate the value of blood testing after elective laparoscopic cholecystectomy and its association with procedure related complications.METHODS Charts of all patients undergoing elective laparoscopic cholecystectomy from January 2013 through December2014 were reviewed retrospectively for demographics,indication for surgery,operative course and outcome.In our institution the decision to perform postoperative blood analysis is left for the discretion of the surgeon,therefore we had the possibility to compare the results of those who had blood analyses results to those who did not.Analysis was performed to identify variables associated with the decision to perform postoperative blood tests.Subsequently a univariate and multivariate analyses was performed comparing the two cohorts.Secondary subgroup analysis was performed to identify factors associated with procedure related complications.RESULTS Five hundred and thirty-two elective laparoscopic cholecystectomies for symptomatic gallstones were performed during the study period.Sixty-four percent of the patients(n=340)had blood tests taken post operatively.Patients that had laboratory tests taken were older(P=0.006,OR=1.01),had longer surgery(P<0.001,OR=3.22)had more drains placed(P<0.001,OR=3.2)and stayed longer in the hospital(P<0.001,OR=1.2).A subgroup analysis of the patients who experienced complications revealed longer stay in the hospital(P<0.001),higher body mass index(BMI)(P=0.04,OR=1.08),increased rates of drain placement(P=0.006,OR=3.1)and higher conversion rates(P=0.01,OR=14.6).Postoperative blood tests withdrawals were not associated with complications(P=0.44).On Multivariate analysis BMI and drain placement were independently associated with complications.CONCLUSION The current study indicate that routine postoperative blood tests after elective laparoscopic cholecystectomy for symptomatic gallstones does not predict complications and may have an added benefit in diagnosis and management of cases were the surgeon encountered true technical difficulty during surgery.

Colorectal cancer screening: Comparison of transferrin and immuno fecal occult blood test

AIM: To evaluate the sensitivity and specificity of transfesrrin dipstick test (Tf) in colorectal cancer (CRC) screening and precancerous lesions screening. METHODS: Eight hundreds and sixty-one individuals at high-risk for CRC were recruited. Six hundreds and eleven subsequently received the three fecal occult blood tests and colonoscopy with biopsy performed as needed. Fecal samples were obtained on the day before colonoscopy. Tf, immuno fecal occult blood test (IFOBT) and guaiac fecal occult blood test (g-FOBT) were performed simultaneously on the same stool. To minimize false-negative cases, all subjects with negative samples were asked to provide an additional stool specimen for a second test even a third test. If the results were all negative after testing three repeated samples, the subject was considered a true negative. The performance characteristics of Tf for detecting CRC and precancerous lesions were examined and compared to those of IFOBT and the combination of Tf, IFOBT and g-FOBT. RESULTS: A total of six hundreds and eleven subjects met the study criteria including 25 with CRC and 60 with precancerous lesions. Sensitivity for detecting CRC was 92% for Tf and 96% for IFOBT, specificities of Tf and IFOBT were both 72.0% (95% CI: 68.2%-75.5%; χ2 = 0.4, P > 0.05); positive likelihood ratios of those were 3.3 (95% CI: 2.8-3.9) and 3.4 (95% CI: 2.9-4.0), respectively. In precancerous lesions, sensitivities for Tf and IFOBT were 50% and 58%, respectively (χ 2 = 0.8, P > 0.05); specificities of Tf and IFOBT were 71.5% (95% CI: 67.6%-75.1%) and 72.2% (95% CI: 68.4%-75.8%); positive likelihood ratios of those were 1.8 (95% CI: 1.3-2.3) and 2.1 (95% CI: 1.6-2.7), respectively; compared to IFOBT, g-FOBT+ Tf+ IFOBT had a significantly higher positive rate for precancerous lesions (83% vs 58%, respectively; χ 2 = 9.1, P < 0.05). In patients with CRC and precancerous lesions, the sensitivities of Tf and IFOBT were 62% and 69% (χ 2 = 0.9, P > 0.05); specificities of those were 74.5% (95% CI: 70.6%-78.1%) and 75.5% (95% CI: 71.6%-79.0%); positive likelihood ratios of those were 2.5 (95% CI: 2.0-3.1) and 2.8 (95% CI: 2.3-3.5). Compared to IF-OBT alone, combining g-FOBT, IFOBT and Tf led to significantly increased sensitivity for detecting CRC and cancerous lesions (69% vs 88%, respectively; χ 2 = 9.0, P < 0.05). CONCLUSION: Tf dipstick test might be used as an ad- ditional tool for CRC and precancerous lesions screening in a high-risk cohort.

Prediction of flare-ups of ulcerative colitis using quantitative immunochemical fecal occult blood test

AIM:To examine the feasibility of predicting the flareup of ulcerative colitis (UC) before symptoms emerge using the immunochemical fecal occult blood test (IFOBT).METHODS:We prospectively measured fecal hemoglobin concentrations in 78 UC patients using the I-FOBT every 1 or 2 mo.RESULTS:During a 20 mo-period,823 fecal samples from 78 patients were submitted.The median concentration of fecal hemoglobin was 41 ng/mL (range:0-392 500 ng/mL).There were three types of patients with regard to the correlation between I-FOBT and patient symptoms;the synchronous transition type with symptoms (44 patients),the unrelated type withsymptoms (19 patients),and the flare-up predictive type (15 patients).In patients with the flare-up predictive type,the values of I-FOBT were generally low during the study period with stable symptoms.Two to four weeks before the flare-up of symptoms,the I-FOBT values were high.Thus,in these patients,I-FOBT could predict the flare-up before symptoms emerged.CONCLUSION:Flare-up could be predicted by I-FOBT in approximately 20% of UC patients.These results warrant periodical I-FOBT in UC patients.

CT colonography after incomplete colonoscopy in subjects with positive faecal occult blood test

<Abstract>AIM: To report our experience with computed tomog- raphy colonography (CTC) systematically performed in subjects with positive faecal occult blood test (FOBT) and an incomplete colonoscopy in the setting of a population-based screening for colorectal cancer (CRC). METHODS: From April 2006 to April 2007, 43 290 indi- viduals (age range 50-70) who adhered to the regional screening program for the prevention of CRC under-went immunochemical FOBT. FOBT was positive in 1882 subjects (4.3%). 1463 (77.7%) of these subjects underwent colonoscopy, 903 performed in a single center. Of 903 colonoscopies 65 (7.2%) were incom- plete. Forty-two of these subjects underwent CTC. CTC was performed with a 16-MDCT scanner after standard bowel prep (polyethyleneglycole) in both supine and prone position. Subjects whose CTC showed polyps or masses were referred to the endoscopist for repeat colonoscopy under sedation or underwent surgery. Per-lesion and per-segment positive predictive values (PPV) were calculated. RESULTS: Twenty-one (50%) of 42 CTCs showed pol-yps or masses. Fifty-five of these subjects underwent a repeat colonoscopy, whereas 2 subjects underwentsurgery for colonic masses of indeterminate nature. Four subjects refused further examinations. CTC cor- rectly identified 2 colonic masses and 20 polyps. PPV for masses or polyps greater than 9 mm was of 87.5%. Per-lesion and per-segment PPV were, respectively, 83.3% and 83.3% for polyps greater or equal to 10 mm, and 77.8% and 85.7% for polyps of 6-9 mm. CONCLUSION: In the context of a screening program for CRC based on FOBT, CTC shows high per-segment and per-lesion PPV for colonic masses and polyps greater than 9 mm. Therefore, CTC has the potential to become a useful technique for evaluation of the non visualized part of the colon after incomplete colonos-copy.

Validation of four Helicobacter pylori rapid blood tests in a multi-ethnic Asian population

AIM: To validate the accuracy of four rapid blood tests in the diagnosis of Helicobacter pylori.METHODS: Consecutive dyspeptic patients scheduled for endoscopy at the National University Hospital,Singapore, were interviewed and had blood drawn for serology. The first 109 patients were tested with BM-test (BM), Pyloriset Screen (PS) and QuickVue (QV), and the next 99 subjects were tested with PS and Unigold (UG).Endoscopies were performed blinded to rapid blood test results and biopsies were taken for culture and rapid urease test. Urea breath tests were performed after endoscopies. The rapid blood test results were compared with four reference tests (rapid urease test, culture,serology, and breath test).RESULTS: The study population composed of 208patients (mean age 43.1 years; range 18-73 years; 119males; 174 Chinese). The number of evaluable patientsfor BM, QV, UG and PS were 102, 102, 95, and 197,respectively. The sensitivity and specificity, respectively were: PS 80.2%, 95.8%; UG 55.9%, 100%; QV 43.3%,100%; BM 67.2%, 97.1%.CONCLUSION: The rapid blood test kits showed high specificity and positive predictive value (97-100%), while sensitivity and negative predictive value ranged widely (43%-80% and 47%-73%, respectively). Among test kits, PS showed the best sensitivity (80%), best negative predictive value (73%) and best negative likelihood ratio (0.207). PS had a specificity of 96%, positive predictive value of 97% and positive likelihood ratio of 19.1.

Investigation of the Clinical Diagnostic Significance of the T-Cell Test for Tuberculosis combined with Erythrocyte Sedimentation Test in Pulmonary Tuberculosis

Objective:To investigate the clinical diagnostic significance of peripheral blood T-cell test(T-spot test)for tuberculosis(TB)infection combined with erythrocyte sedimentation rate(ESR)in pulmonary TB.Methods:41 patients with a clinical diagnosis of TB during hospitalization from January 2020 to April 2023 in our hospital were selected as the experimental group,and 45 patients without TB(bronchopneumonia patients)were selected as the control group.The diagnostic specificity,sensitivity,and accuracy of the T-spot TB test,ESR test,and the combined test of the two were calculated respectively.Results:The sensitivity,specificity,and accuracy of the T-spot TB test combined with ESR for the diagnosis of TB in the experimental group were significantly higher than the individual results of the T-spot TB test and ESR test alone(P<0.05).Conclusion:The T-spot TB test combined with the ESR test for TB diagnosis has greater clinical value than carrying out the tests individually.

Effects of Antimicrobial Peptides on Production,Slaughter Performance and Blood Routine of Tan Sheep

[Objectives]This study was conducted to analyze effects of antimicrobial peptides added to the diet of Tan sheep on their production, slaughter performance and blood composition. [Methods] Ninety two four-month-old Tan sheep were randomly divided into two treatment groups according to their body weight, 46 in each group. The control check group(CK) was feed with conventional diet, and the experimental group was fed with the addition of antimicrobial peptide on the basis of the conventional diet, with the added amount of 2.5 g/sheep per day. The experimental period was 60 d. [Results] The incidence rate was 75.06% lower in the experimental group than in the CK. The average daily weight gain per sheep was 11.27% higher in the experimental group than in the CK(P<0.05). The feed conversion ratio was 8.45% lower in the experimental group than in the CK(P<0.05). The average daily gross profit per sheep was 12.12% higher in the experimental group than in the CK. For slaughter performance, the data difference of each item was not significant. The PH at 45 min and 24 h after slaughter was within the normal range of fresh mutton. The cooked meat percentage and water loss rate showed no significant differences(P>0.05). The marbling ranged from 2.45 to 2.50, indicating that the fat content was moderate, and the difference between groups was not significant(P>0.05). The flesh color ranged from 3.00 to 3.15, between light red and bright red, belonging to the normal color of mutton, and the difference between groups was not significant(P>0.05). The shear force was between 2.50 and 2.65, without a significant difference between groups(P>0.05). The white blood cells, lymphocytes and platelets in the experimental group were lower than those in the CK(P<0.01). The erythrocytes and hemoglobin in the erythrocyte group were higher than those in the CK(P<0.05). The neutrophils and monocytes in the experimental group were lower than those in the CK(P<0.05). [Conclusions] This study provides a technical basis for the rational use of antimicrobial peptides and their application in ruminants.

Colorectal cancer screening for the natural population of Beijing with sequential fecal occult blood test: a multicenter study

To assess the prevalence of colorectal cancer (CRC) in Beijing and the reliabili ty of the sequential fecal occult blood test (SFOBT) for CRC screening Methods Of the natural population (48?100 persons) in several Beijing communities, we screened 26?827 persons with age over 30 using the SFOBT screening p rogram, Guaiacum Fecal Occult Blood Test (GFOBT), Immuno Fecal Occult Blood Test (IFOBT), and colonoscopies Results The screening rate of the population was 74% The positive rate of SFOBT was 5 6% The prevalence of CRC in the entire population of Beijing was therefore c alculated to be 36 57/10 5 Of 12 CRC detected patients, 4 cases were in stage Dukes A (33 33%), 7 cases in stage Dukes B (58 33%), only 1 case (8 34% ) in stage Dukes C Conclusions The prevalence of CRC in Beijing is one of the highest in China Individuals at high risk for CRC or those over 50 years of age should be considered as primary candidates for screening SFOBT screening is a cost effective and reliable me thod for early detection of

Impact of fecal occult blood on obscure gastrointestinal bleeding:Observational study

AIM: To elucidate the association between small bowel diseases(SBDs) and positive fecal occult blood test(FOBT) in patients with obscure gastrointestinal bleeding(OGIB).METHODS: Between February 2008 and August 2013, 202 patients with OGIB who performed both capsule endoscopy(CE) and FOBT were enrolled(mean age; 63.6 ± 14.0 years, 118 males, 96 previous overt bleeding, 106 with occult bleeding). All patients underwent immunochemical FOBTs twice prior to CE. Three experienced endoscopists independently reviewed CE videos. All reviews and consensus meeting were conducted without any information on FOBT results. The prevalence of SBDs was compared between patients with positive and negative FOBT.RESULTS: CE revealed SBDs in 72 patients(36%). FOBT was positive in 100 patients(50%) and negative in 102(50%). The prevalence of SBDs was significantly higher in patients with positive FOBT than those with negative FOBT(46% vs 25%, P = 0.002). In particular, among patients with occult OGIB, the prevalence of SBDs was higher in positive FOBT group than negative FOBT group(45% vs 18%, P = 0.002). On the other hand, among patients with previous overt OGIB, there was no significant difference in the prevalence of SBDs between positive and negative FOBT group(47% vs 33%, P = 0.18). In disease specific analysis among patients with occult OGIB, the prevalence of ulcer and tumor were higher in positive FOBT group than negative FOBT group. In multivariate analysis, only positive FOBT was a predictive factors of SBDs in patients with OGIB(OR = 2.5, 95%CI: 1.4-4.6, P = 0.003). Furthermore, the trend was evidentam on g patients with occult OGIB who underwent FOBT on the same day or a day before CE. The prevalence of SBDs in positive vs negative FOBT group were 54% vs 13% in patients with occult OGIB who underwent FOBT on the same day or the day before CE(P = 0.001), while there was no significant difference between positive and negative FOBT group in those who underwent FOBT two or more days before CE(43% vs 25%, P = 0.20).CONCLUSION: The present study suggests that positive FOBT may be useful for predicting SBDs in patients with occult OGIB. Positive FOBT indicates higher likelihood of ulcers or tumors in patients with occult OGIB. Undergoing CE within a day after FOBT achieved a higher diagnostic yield for patients with occult OGIB.

Current testing strategies for hepatitis C virus infection in blood donors and the way forward

Screening tests for blood donations are based upon sensitivity,cost-effectiveness and their suitability for high-throughput testing.Enzyme immunoassay(EIAs)for hepatitis C virus(HCV)antibodies were the initial screening tests introduced.The"first generation"antibody EIAs detected seroconversion after unduly long infectious window period.Improved HCV antibody assays still had an infectious window period around 66 d.HCV core antigen EIAs shortened the window period considerably,but high costs did not lead to widespread acceptance.A fourth-generation HCV antigen and antibody assay(combination EIA)is more convenient as two infectious markers of HCV are detected in the same assay.Molecular testing for HCV-RNA utilizing nucleic acid amplification technology(NAT)is the most sensitive assay and shortens the window period to only4 d.Implementation of NAT in many developed countries around the world has resulted in dramatic reductions in transfusion transmissible HCV and relative risk is now<1 per million donations.However,HCV serology still continues to be retained as some donations are serology positive but NAT negative.In resource constrained countries HCV screening is highly variable,depending upon infrastructure,trained manpower and financial resource.Rapid tests which do not require instrumentation and are simple to perform are used in many small and remotely located blood centres.The sensitivity as compared to EIAs is less and wherever feasible HCV antibody EIAs are most frequently used screening assays.Efforts have been made to implement combined antigen-antibody assays and even NAT in some of these countries.

Sample preference for colorectal cancer screening tests: Blood or stool?

Objective: Despite the high prevalence of CRC and the proven benefits of faecal sampling tests, participation rates in CRC screening are suboptimal. Literature has identified a number of barriers to participation, including faecal aversion. Emerging test technologies suggest blood-based molecular markers might provide an alternative, more acceptable option, for CRC screening tests. We aim to determine preference for blood compared to faeces as the sample for the screening test. Methods: A survey was mailed to 956 South Australians aged 50 to 74 years. Data were collected on sample preference, demographic variables, and ratings of screening test convenience and comfort. Results: The survey yielded a 43% response rate. The majority of participants preferred to provide a blood sample (78% v 22%, p < 0.001). Women were more likely to prefer blood than men (82% vs 74%, p = 0.05). Sample experience influenced preferences, with a significantly higher preference for faeces among participants with experience in faecal sampling (27% vs 17% with no experience, p < 0.05). Participants who preferred to provide a faecal sample rated it significantly more convenient (p < 0.001), more comfortable (p < 0.001), and more acceptable (p < 0.001) than those who preferred blood sampling. Conclusions: Survey participants overwhelmingly indicate a preference for the idea of a blood sample over a faecal sample for CRC screening. Preference was influenced by gender, experience with sampling method and the individual’s perception of sampling convenience, sampling comfort and sample acceptability. Our results suggest population participation rates are likely to improve with blood-based screening tests.

Physiological testing of blood for great bustard

Twelve indices of blood for great bustard were determined by using JT-TR blood cell analyzer. Theyincluded white cell number, red cell number, hemoglobin density, hematocrit. mean volume of red cell, mean hemoglobin of red cell, mean hemoglobin density of red cell, distribution width of red cell, platelet number, platelethematocrit, mean platelet volume, and platelet distribution width. The analysis data indicated that the blood ofgreat bustard have strong function of taking oxygen. The current breeding condition is fine and suitable for thephysiological requirements of great bustard.

EVALUATION OF REVERSE PASSIVE HEMAGGLUTINATION （RPHA） FECAL OCCULT BLOOD TEST IN SCREENING OF COLORECTAL NEOPLASIA

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Psychological problems related to capillary blood glucose testing and insulin injection among diabetes patients

Objective:This review is aimed at explaining the psychological problems related to capillary blood glucose(CBG)testing and insulin injection,as well as recommending essential strategies to solve the fear thereof.Methods:Databases,including PubMed,Cumulative Index of Nursing and Allied Health Literature(CINAHL),Scopus,and Google Scholar,were searched to extract the relevant articles.Initially,the terms used to retrieve related studies were"fear of blood glucose monitoring","anxiety capillary blood glucose testing and insulin injection","psychological problems on blood glucose monitoring and insulin injection","diabetes management",and"diabetes mellitus".Results:Results showed that the psychological problems related to CBG testing and insulin injection were associated with the stress and depression experienced during diabetes self-monitoring of blood glucose.This psychological issue has its impacts such as nonadherence to medication as well as a lack of self-discipline in terms of CBG testing and insulin injection.Inadequate information,inappropriate perception,and pain/discomfort during pricking of fingers were the main reasons for the psychological issues in CBG testing and self-injection of insulin.Conclusions:The expected benefits of this review include the explanation of the issues related to the psychological problems in CBG testing and insulin injection among type 2 diabetes mellitus(T2DM)patients.This review article also provides the recommendations on providing counseling and empowering the patients on CBG monitoring and insulin injection.Moreover,family members should provide psychological support to reduce fear,anxiety,and distress arising from CBG testing and insulin injection.