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Medical News

Haematology + 1

Nomogram predicts cancer-specific survival for patients with primary gastrointestinal melanoma

02 Dec 2024

Nomogram predicts cancer-specific survival for patients with primary gastrointestinal melanoma

According to a recent study, it was validated that nomogram can predict cancer-specific survival and develop a risk stratification system for patients with primary gastrointestinal melanoma. The findings of the study were published in The Turkish Journal of Gastroenterology.
Results from a database of 433 patients with primary gastrointestinal melanoma were included in the study after randomly dividing the participants into training and validation cohorts (8:2). The nomogram was constructed based on the risk factors identified in the multivariate Cox regression analysis. Based on the nomogram, a risk stratification system was developed. Time-dependent receiver operating characteristic, calibration curve, and decision curve analysis were performed.
All cases were randomly divided into either the training (n = 347, 80%) or validation cohort (n = 86, 20%). For all patients, the median cancer-specific survival (CSS) time was 18.0 months (95% CI: 14.7-21.3). The median CSS was 18.0 months (95% CI: 14.5-21.5) and 18.0 months (95% CI: 10.7-25.3) in the training and validation cohorts, respectively (log-rank test, P = .241).
It was found that CSS under the curves of the nomogram for 6-, 12-, and 18-month were 0.789, 0.757, and 0.726 for internal validation, and 0.796, 0.763, and 0.795 for the external validation. Furthermore, the patients were divided into 2 risk sub-groups to study the risk stratification, low-risk (point: 0-182) and high-risk (point: 183-333). The median CSS was 31.0 months (95% CI: 24.5-37.5) in the low-risk subgroup and 8.0 months (95% CI: 6.2-9.8) in the high-risk subgroup. The Kaplan-Meier analysis and the log-rank test demonstrated that the risk stratification was well-differentiated in patients with varying risks of cancer-specific survival.
Thus, it can be concluded that the nomogram prediction model may be practical for validation of cancer-specific survival and development of a risk stratification system in patients with primary gastrointestinal melanoma.
 

Haematology,Gastro
Haematology + 1

Nomogram predicts cancer-specific survival for patients with primary gastrointestinal melanoma

Nomogram predicts cancer-specific survival for patients with primary gastrointestinal melanoma

According to a recent study, it was validated that nomogram can predict cancer-specific survival and develop a risk stratification system for patients with primary gastrointestinal melanoma. The findings of the study were published in The Turkish Journal of Gastroenterology.
Results from a database of 433 patients with primary gastrointestinal melanoma were included in the study after randomly dividing the participants into training and validation cohorts (8:2). The nomogram was constructed based on the risk factors identified in the multivariate Cox regression analysis. Based on the nomogram, a risk stratification system was developed. Time-dependent receiver operating characteristic, calibration curve, and decision curve analysis were performed.
All cases were randomly divided into either the training (n = 347, 80%) or validation cohort (n = 86, 20%). For all patients, the median cancer-specific survival (CSS) time was 18.0 months (95% CI: 14.7-21.3). The median CSS was 18.0 months (95% CI: 14.5-21.5) and 18.0 months (95% CI: 10.7-25.3) in the training and validation cohorts, respectively (log-rank test, P = .241).
It was found that CSS under the curves of the nomogram for 6-, 12-, and 18-month were 0.789, 0.757, and 0.726 for internal validation, and 0.796, 0.763, and 0.795 for the external validation. Furthermore, the patients were divided into 2 risk sub-groups to study the risk stratification, low-risk (point: 0-182) and high-risk (point: 183-333). The median CSS was 31.0 months (95% CI: 24.5-37.5) in the low-risk subgroup and 8.0 months (95% CI: 6.2-9.8) in the high-risk subgroup. The Kaplan-Meier analysis and the log-rank test demonstrated that the risk stratification was well-differentiated in patients with varying risks of cancer-specific survival.
Thus, it can be concluded that the nomogram prediction model may be practical for validation of cancer-specific survival and development of a risk stratification system in patients with primary gastrointestinal melanoma.
 

02 Dec 2024
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Cough

Application of the CHIldren with acute COugh (CHICO) framework to enhance the management of antibiotics

02 Dec 2024

Application of the CHIldren with acute COugh (CHICO) framework to enhance the management of antibiotics

Recent research demonstrated that the CHIldren with acute COugh (CHICO) intervention is a valuable tool for clinicians to make decisions about antibiotic prescriptions and engage with caregivers about their worries and treatment options. Adjusting the intervention might be necessary to create a better fit with how clinicians manage their consultations, both in traditional settings and through remote means. The data from this study were presented in The British Journal of General Practice.
Interviews were conducted to assess the acceptability and utilization of the CHICO intervention. Various healthcare providers from clinics with different antibiotic dispensing patterns, including those with high and low rates, were recruited for the study. The data collection and thematic analysis were based on normalization process theory.
Clinicians generally found the intervention to be beneficial because it was straightforward and quick to implement, allowing them to address carer concerns while reassuring both themselves and the carers about the treatment decisions being made. However, it was mainly used as a supportive tool for treatment choices rather than a method for changing behavior. The advice leaflet that came with it was useful for explaining treatment decisions and encouraging self-care. There were instances where the intervention did not align with the clinicians' standard procedures, which could hinder its application. As familiarity with the algorithm grew, the reliance on interventions decreased, a trend that increased during the COVID-19 pandemic when practices changed and remote consultations became more common.
In summary, the CHICO intervention serves as a valuable resource for healthcare professionals. It helps clinicians make informed decisions about antibiotic prescriptions and encourages discussions with caregivers regarding their concerns and available treatment options.
 

Cough
Cough

Application of the CHIldren with acute COugh (CHICO) framework to enhance the management of antibiotics

Application of the CHIldren with acute COugh (CHICO) framework to enhance the management of antibiotics

Recent research demonstrated that the CHIldren with acute COugh (CHICO) intervention is a valuable tool for clinicians to make decisions about antibiotic prescriptions and engage with caregivers about their worries and treatment options. Adjusting the intervention might be necessary to create a better fit with how clinicians manage their consultations, both in traditional settings and through remote means. The data from this study were presented in The British Journal of General Practice.
Interviews were conducted to assess the acceptability and utilization of the CHICO intervention. Various healthcare providers from clinics with different antibiotic dispensing patterns, including those with high and low rates, were recruited for the study. The data collection and thematic analysis were based on normalization process theory.
Clinicians generally found the intervention to be beneficial because it was straightforward and quick to implement, allowing them to address carer concerns while reassuring both themselves and the carers about the treatment decisions being made. However, it was mainly used as a supportive tool for treatment choices rather than a method for changing behavior. The advice leaflet that came with it was useful for explaining treatment decisions and encouraging self-care. There were instances where the intervention did not align with the clinicians' standard procedures, which could hinder its application. As familiarity with the algorithm grew, the reliance on interventions decreased, a trend that increased during the COVID-19 pandemic when practices changed and remote consultations became more common.
In summary, the CHICO intervention serves as a valuable resource for healthcare professionals. It helps clinicians make informed decisions about antibiotic prescriptions and encourages discussions with caregivers regarding their concerns and available treatment options.
 

02 Dec 2024
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Dentinal Hypersensit…

The effect of various desensitizers on pulpal blood flow after full crown preparation using laser Doppler flowmetry

29 Nov 2024

The effect of various desensitizers on pulpal blood flow after full crown preparation using laser Doppler flowmetry

In a recent study, similar levels of effectiveness were observed in treating dentine hypersensitivity and pulpal blood flow with Bifluoride 12, Teethmate, and Copal Varnish. This study’s findings were published in the journal Odontology.
18 patients with a total of 42 teeth suffering from dentine hypersensitivity after full crown preparations were randomly divided to receive treatment with Bifluoride 12, Teethmate, or Copal Varnish. The severity of dentine hypersensitivity was assessed using a Schiff air index (SAI) and visual analog scale (VAS). The assessment of pulpal blood flow involved the use of laser Doppler flowmetry (LDF), with the findings recorded in perfusion units (PU). Evaluations were conducted at the initial stage, after five minutes, after seven days, and after one month subsequent to the administration of desensitizing agents. Statistical analysis was carried out using Wilcoxon and two-way ANOVA tests (p value < 0.05).

The tested desensitizers did not show any significant difference in terms of VAS and PU values. VAS values significantly decreased at seven days and one month after the desensitizers were applied, compared to the baseline in all groups. Only the Copal Varnish group exhibited a notable difference in PU values at the five-minute and seven-day intervals post-desensitizer application (p value < 0.05). A statistically significant difference was found between different time points in relation to SAI scores in all groups (p value < 0.05).

Thus, it can be concluded that Bifluoride 12, Teethmate, and Copal Varnish demonstrated similar effectiveness in managing dentine hypersensitivity and pulpal blood flow. To fully evaluate their impact on pulpal status, it is important to conduct long-term clinical trials with larger sample sizes and histological studies.
 

Dentinal Hypersensit…
Dentinal Hypersensit…

The effect of various desensitizers on pulpal blood flow after full crown preparation using laser Doppler flowmetry

The effect of various desensitizers on pulpal blood flow after full crown preparation using laser Doppler flowmetry

In a recent study, similar levels of effectiveness were observed in treating dentine hypersensitivity and pulpal blood flow with Bifluoride 12, Teethmate, and Copal Varnish. This study’s findings were published in the journal Odontology.
18 patients with a total of 42 teeth suffering from dentine hypersensitivity after full crown preparations were randomly divided to receive treatment with Bifluoride 12, Teethmate, or Copal Varnish. The severity of dentine hypersensitivity was assessed using a Schiff air index (SAI) and visual analog scale (VAS). The assessment of pulpal blood flow involved the use of laser Doppler flowmetry (LDF), with the findings recorded in perfusion units (PU). Evaluations were conducted at the initial stage, after five minutes, after seven days, and after one month subsequent to the administration of desensitizing agents. Statistical analysis was carried out using Wilcoxon and two-way ANOVA tests (p value < 0.05).

The tested desensitizers did not show any significant difference in terms of VAS and PU values. VAS values significantly decreased at seven days and one month after the desensitizers were applied, compared to the baseline in all groups. Only the Copal Varnish group exhibited a notable difference in PU values at the five-minute and seven-day intervals post-desensitizer application (p value < 0.05). A statistically significant difference was found between different time points in relation to SAI scores in all groups (p value < 0.05).

Thus, it can be concluded that Bifluoride 12, Teethmate, and Copal Varnish demonstrated similar effectiveness in managing dentine hypersensitivity and pulpal blood flow. To fully evaluate their impact on pulpal status, it is important to conduct long-term clinical trials with larger sample sizes and histological studies.
 

29 Nov 2024
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Allergic Rhinitis…

Allergic Rhinitis Increases Risk for Moderate-to-Severe Pediatric Obstructive Sleep Apnea

29 Nov 2024

Allergic Rhinitis Increases Risk for Moderate-to-Severe Pediatric Obstructive Sleep Apnea

A recent study has highlighted allergic rhinitis (AR) as a significant predictor of moderate-to-severe obstructive sleep apnea (OSA) in children.

Conducted at the Children's Hospital of Chongqing Medical University, the research analyzed 263 pediatric patients diagnosed with OSA in 2020, assessing factors contributing to disease severity.

Polysomnography was performed to determine each patient’s apnea-hypopnea index (AHI) and lowest oxygen saturation (LSaO₂), essential markers of OSA severity. The study found that nearly half (48.7%) of the patients had moderate-to-severe OSA, with 60.8% experiencing moderate-to-severe hypoxemia.

After adjusting for various factors, AR (adjusted odds ratio [aOR] = 1.75, 95% confidence interval [CI]: 1.03-2.96) and male gender (aOR = 1.77, 95% CI: 1.03-3.06) were identified as independent risk factors for more severe OSA. Notably, AR also emerged as the sole predictor of hypoxemia, further emphasizing its role in worsening sleep-disordered breathing.

These findings underscore the necessity of early detection and management of AR in children to reduce the risk of severe OSA and its complications. Individualized therapeutic approaches for pediatric OSA patients, particularly those with AR, could improve outcomes and mitigate progression to more severe disease stages.

Allergic Rhinitis…
Allergic Rhinitis…

Allergic Rhinitis Increases Risk for Moderate-to-Severe Pediatric Obstructive Sleep Apnea

Allergic Rhinitis Increases Risk for Moderate-to-Severe Pediatric Obstructive Sleep Apnea

A recent study has highlighted allergic rhinitis (AR) as a significant predictor of moderate-to-severe obstructive sleep apnea (OSA) in children.

Conducted at the Children's Hospital of Chongqing Medical University, the research analyzed 263 pediatric patients diagnosed with OSA in 2020, assessing factors contributing to disease severity.

Polysomnography was performed to determine each patient’s apnea-hypopnea index (AHI) and lowest oxygen saturation (LSaO₂), essential markers of OSA severity. The study found that nearly half (48.7%) of the patients had moderate-to-severe OSA, with 60.8% experiencing moderate-to-severe hypoxemia.

After adjusting for various factors, AR (adjusted odds ratio [aOR] = 1.75, 95% confidence interval [CI]: 1.03-2.96) and male gender (aOR = 1.77, 95% CI: 1.03-3.06) were identified as independent risk factors for more severe OSA. Notably, AR also emerged as the sole predictor of hypoxemia, further emphasizing its role in worsening sleep-disordered breathing.

These findings underscore the necessity of early detection and management of AR in children to reduce the risk of severe OSA and its complications. Individualized therapeutic approaches for pediatric OSA patients, particularly those with AR, could improve outcomes and mitigate progression to more severe disease stages.

29 Nov 2024
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Renal anemia

Anemia and Renal Dysfunction Have Negative Impact on Long-Term Survival After Acute Myocardial Infarction

28 Nov 2024

Anemia and Renal Dysfunction Have Negative Impact on Long-Term Survival After Acute Myocardial Infarction

Anemia and chronic kidney disease (CKD) are known to worsen outcomes following acute myocardial infarction (AMI). This retrospective, single-center study evaluated the interaction between anemia and CKD in predicting 10-year survival among AMI survivors. The cohort consisted of 11,395 patients (69.1% male, mean age 65.8 years), stratified by anemia and CKD grade based on admission hemoglobin and creatinine levels.

Among participants, 29.9% had anemia and 15.9% had CKD grade 3b or higher. Anemia prevalence increased with advancing CKD grade (p < 0.001), and CKD was more severe in anemic patients. After a decade, 47.8% of the cohort had died. Despite varying baseline characteristics and treatment approaches, both anemia (HR 1.40, 95% CI 1.32-1.49, p < 0.001) and higher CKD grades (HR 1.10, 95% CI 1.02-1.20, p < 0.001) independently predicted increased mortality risk. 
The mortality risk due to anemia or worsening CKD was particularly evident in patients with normal renal function to CKD grade 3a in the overall cohort and conservative treatment subgroup, and up to grade 4 in the invasive revascularization subgroup. Notably, higher CKD grades also elevated mortality risk among non-anemic patients across CKD stages.
In conclusion, anemia and advancing CKD independently contribute to reduced long-term survival following AMI, with the combined effect posing the greatest risk in patients with mild to moderate CKD.
 

Renal anemia
Renal anemia

Anemia and Renal Dysfunction Have Negative Impact on Long-Term Survival After Acute Myocardial Infarction

Anemia and Renal Dysfunction Have Negative Impact on Long-Term Survival After Acute Myocardial Infarction

Anemia and chronic kidney disease (CKD) are known to worsen outcomes following acute myocardial infarction (AMI). This retrospective, single-center study evaluated the interaction between anemia and CKD in predicting 10-year survival among AMI survivors. The cohort consisted of 11,395 patients (69.1% male, mean age 65.8 years), stratified by anemia and CKD grade based on admission hemoglobin and creatinine levels.

Among participants, 29.9% had anemia and 15.9% had CKD grade 3b or higher. Anemia prevalence increased with advancing CKD grade (p < 0.001), and CKD was more severe in anemic patients. After a decade, 47.8% of the cohort had died. Despite varying baseline characteristics and treatment approaches, both anemia (HR 1.40, 95% CI 1.32-1.49, p < 0.001) and higher CKD grades (HR 1.10, 95% CI 1.02-1.20, p < 0.001) independently predicted increased mortality risk. 
The mortality risk due to anemia or worsening CKD was particularly evident in patients with normal renal function to CKD grade 3a in the overall cohort and conservative treatment subgroup, and up to grade 4 in the invasive revascularization subgroup. Notably, higher CKD grades also elevated mortality risk among non-anemic patients across CKD stages.
In conclusion, anemia and advancing CKD independently contribute to reduced long-term survival following AMI, with the combined effect posing the greatest risk in patients with mild to moderate CKD.
 

28 Nov 2024
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