First do no harm: A patient-reported survey of split skin graft donor site morbidities following thin and super-thin graft harvest.

The split-thickness skin graft (STSG) donor site is the commonest used during burn surgery which has its own complications and as such the focus should be on minimizing it. Modifications to practice in our unit which we believe aid this include limiting the amount of STSG taken and the harvest of super-thin STSGs, with 0.003-0.005 in. (0.08-0.13 mm) being the commonest dermatome settings used. A patient-reported survey via a mobile phone link to a questionnaire was sent to 250 patients who had a STSG for an acute burn between 1st August 2020 and 31st July 2021. Patient demographics were collected from electronic records including the thickness of the FTSG taken when recorded. Patient responses were statistically analyzed and logistic regression with backwards elimination was performed to explore which contributing factors led to an improved experience of the donor site. Questionnaire responses were obtained from 107 patients (43%). These were between one and two and a half years after the injury. Concerning early donor site issues, itch was a problem for 52% of patients, pain was a problem for 48% of patients. Less common problems (fewer than 25% of patients) were leaking donor sites, wound breakdown, and over-granulation. Regarding long-term outcomes, increased, decreased or mixed pigmentation at the donor site was reported by 32% patients at the time of the survey. Hyper-vascular donor sites were reported by 24% patients. Raised or uneven feeling donor sites were reported by 19% patients, firm or stiff donor sites by 13% patients, and altered sensation by 10% patients. At the time of the survey, 70% responders reported their donor site looked "the same or about the same as my normal skin". Of these, 62 reported how long it took for this to happen, and it equates to a third looking normal at 6 months and half looking normal at a year. For the 32 patients who reported their donor site looking abnormal, 72% were "not bothered" by it. Patients with super-thin grafts (0.003-0.005 in.) were significantly more likely to have normal sensation, normal stiffness, and be less raised at their donor sites than those who had thin grafts (0.006-0.008 in.). This survey gives important information on patients' experiences of donor site morbidity that may form part of an informed consent process and allow tailored advice. Furthermore, it suggests that super-thin grafts may provide a superior donor site experience for patients.

The reliability of patient blood pressure self-assessments - a cross-sectional study.

OBJECTIVE: Home blood pressure monitoring (HBPM) is an increasingly important tool in managing hypertension (HTN); however, its efficacy depends on its accuracy. This study aimed to explore the differences between blood pressure (BP) measurements conducted by patients and medical professionals and the patient demographic factors correlating with inaccurate self-measured BP levels. METHODS: One hundred hypertensive patients completed a questionnaire inquiring about their health status and HBPM procedures and were filmed while measuring their BP using their own devices. A researcher then measured the patients' BP using a calibrated sphygmomanometer to assess the accuracy of patient-performed readings. This cross-sectional study was conducted in five primary healthcare centers in Kraków, Poland. RESULTS: The mean differences in systolic and diastolic BP readings by patients and researchers were 8.36 mmHg (SD = 10.90 mmHg) and 2.16 mmHg (SD = 9.12 mmHg), respectively. Inaccuracies in patient BP measurements were associated with a less than high school education level, patients' age, and a family history of HTN. CONCLUSION: Patient self-measured BP levels were higher than researcher values, likely due to a higher patient error rate. Healthcare providers must increase training regarding correct HBPM techniques offered to patients; such efforts should be directed at all hypertensive patients, emphasizing the most error-prone demographics.

Associations between myeloperoxidase and paraoxonase-1 and type 2 diabetes in patients with ischemic heart disease.

BACKGROUND: The phrase "dysfunctional high-density lipoprotein" has been developed in the literature to describe the particle which loses its basic role- anti-oxidative and anti-inflammatory activity. In this porcess, the significance of enzymes- pro-oxidant myeloperoxidase (MPO) and antioxidant paraoxonase-1 (PON-1) from the perspective of HDL-C function has been noted. AIMS: The objective of this study was to analyze the associations between two enzymes -MPO and PON-1 and type 2 diabetes (T2DM) in patients with ischemic heart disease (IHD). METHODS: An observational cross-sectional study including 70 patients with IHD of whom 35 had also T2DM, and 35 had no T2DM. Laboratory tests (MPO, PON-1, fasting glucose, glycated hemoglobin, total cholesterol, triglycerides, high-density lipoprotein, low-density lipoprotein, and high-sensitivity C-reactive protein) were performed. RESULTS: The study revealed a significant difference in the serum concentration of the enzymes between patients with IHD with and without T2DM. Our results showed increased MPO concentration levels in diabetic patients. The analysis also revealed that T2DM is independently associated with an increase in MPO levels. Simultaneously, a decrease in PON-1 levels was observed in patients with T2DM. The study also revealed that T2DM is independently associated with a decrease in PON-1 levels. CONCLUSIONS: In patients with type 2 diabetes the profile of enzymes involved in high-density lipoprotein metabolism in patients with IHD is worse than in patients without T2DM. The increase in the levels of MPO, an enzyme with oxidative and atherogenic properties and on a decrease in PON-1 levels, an enzyme with antioxidant and atheroprotective properties is observed.

The quality of patients' self-blood pressure measurements: a cross-sectional study.

BACKGROUND: The accurate and independent measurement of blood pressure (BP) by patients is essential for home BP monitoring (HBPM) and determining the quality of hypertension (HTN) control. This study aimed to evaluate the BP self-measurement techniques of hypertensive patients and their accuracy in accordance with established guidelines. We sought to identify the common errors that patients make and suggest improvements that can be implemented in the primary healthcare setting to increase the reliability of HBPM conducted by hypertensive patients. METHODS: One hundred patients diagnosed with HTN completed a questionnaire inquiring about their health and demographic data and BP monitoring practices. Patients were then observed and filmed while measuring their BP on their own devices in five primary healthcare centres in Kraków, Poland. The correctness of their techniques was assessed in accordance with the European Society of Hypertension guidelines on HBPM. RESULTS: Only 3% of patients measured their BP without error; 60% made three or more errors. The most frequent error, made by 76% of subjects, was incorrect sphygmomanometer cuff placement (above or below heart level, or/and the indicator mark was not aligned with the brachial artery). Regarding patients' previous instruction for the correct use of their devices, 36% of patients referred to their monitor's user manual, 22% did not receive any prior assistance, and only 29% were adequately counselled by physicians on how to measure their BP correctly. CONCLUSIONS: Our findings suggest that primary healthcare physicians and their personnel often do not adequately instruct patients on how to measure their BP correctly. Therefore, healthcare systems must provide patients with more adequate training and reference materials on the best practices of BP monitoring.

Adipose-Derived Stromal Cells Seeded on Integra® Dermal Regeneration Template Improve Post-Burn Wound Reconstruction.

Fibrosis of burn-related wounds remains an unresolved clinical issue that leads to patient disability. The aim of this study was to assess the efficacy of the transplantation of adipose-derived stromal cells seeded onto a collagen-based matrix in the reconstruction of burn-related scars. Here, we characterized an in vitro interaction between adipose-derived stromal cells and a collagen-based matrix, Integra®DRT. Our results show that transcription of pro-angiogenic, remodeling, and immunomodulatory factors was more significant in adipose-derived stromal cells than in fibroblasts. Transcription of metalloproteinases 2 and 9 is positively correlated with the collagenolytic activity of the adipose-derived stromal cells seeded onto Integra®DRT. The increase in the enzymatic activity corresponds to the decrease in the elasticity of the whole construct. Finally, we validated the treatment of a post-excision wound using adipose-derived stromal cells and an Integra®DRT construct in a 25-year-old woman suffering from burn-related scars. Scarless healing was observed in the area treated by adipose-derived stromal cells and the Integra®DRT construct but not in the reference area where Integra®DRT was applied without cells. This clinical observation may be explained by in vitro findings: Enhanced transcription of the vascular endothelial growth factor as well as remodeling of the collagen-based matrix decreased mechanical stress. Our experimental treatment demonstrated that the adipose-derived stromal cells seeded onto Integra®DRT exhibit valuable properties that may improve post-excision wound healing and facilitate skin regeneration without scars.

Are students at Krakow universities turning to energy-boosting dietary supplements?

INTRODUCTION: Recent studies have revealed an increase in the consumption of dietary supplements including frequency of use of caffeine, which is addictive and potentially harmful in higher doses. Energy drinks include high doses of caffeine and are particularly targeted at young people. OBJECTIVE: The aim of the study was to investigate the frequency of use of caffeine-containing energy products, associated factors and understanding the associated side- effects in university students. MATERIAL AND METHODS: A cross-sectional questionnaire-based survey was conducted among students of the 5 largest Universities in Krakow. Statistical significance was set at the 0.05 level. RESULTS: Around 35% of respondents reported the use of different supplements including high doses of caffeine. Frequency of caffeine-containing products consumption was significantly higher in female students compering to males. Also, those respondents who originated from big cities were more likely to use caffeine-containing products. The study revealed that these substances were also more popular among those participants who study economics. Most students use these substances in order to reduce feeling tired and the duration of sleep, others mainly to increase concentration prior to examinations. Almost one fourth of the group who used these substances admitted to having experienced some sideeffects in the past. They suffered mainly from insomnia, but also from excessive stimulation and muscle trembling. Almost half of the substances users did not know of any potential side-effects. CONCLUSIONS: Attempts should be made to increase public awareness of the side-effects of these substances, particularly among the student population. These campaigns should be targeted especially at female students who come from bigger cities. This study is a step towards drawing attention to this issue.

High-density lipoprotein (HDL) cholesterol - more complicated than we think?

INTRODUCTION AND OBJECTIVE: There are some clinical situations where a high level of HDL cholesterol (HDL-C) may be unfavourable. In these situations, HDL-C may undergo some changes, and even if its quantity is within the reference range, its quality is no longer the same. BRIEF DESCRIPTION OF STATE OF KNOWLEDGE: Diabetes is the state of elevated oxidative stress. Studies conducted to-date have revealed an increased production of the reactive forms of oxygen as the result of tissue damage in diabetes patients. The expression 'dysfunctional HDL' has been coined in the literature to describe high-density lipoproteins that lose their antioxidative and anti-inflammatory properties, that is, HDL-C that loses its basic functions. Recent observational studies have confirmed that the atheroprotective activity of properly functioning HDL-C is frequently impaired in clinical situations associated with oxidative stress. The presented review lays the foundation for a new approach to understanding how the functional properties of HDL help reduce cardiovascular risk. CONCLUSIONS: In the light of presented findings it seems that there is a need to seek a better diagnostic marker than HDL-C level. This study presents some possible directions for future research to bring us closer to the full understanding of the HDL particle and its role in patients with ischemic heart disease and type 2 diabetes.

Assessment of ovarian reserve in patients with ovarian endometriosis following laparoscopic enucleation of a cyst accompanied by CO2 laser ablation or electroablation.

INTRODUCTION: Endometriosis affects about 5-15% of women in the reproductive period. One of the most important complications of pelvic endometriosis is infertility. OBJECTIVE: The assessment of ovarian endometriosis therapy with the use of combined laparoscopic techniques (cyst enucleation with electroablation/CO2 laser ablation) and their influence on the preservation of the ovarian reserve. MATERIALS AND METHOD: Fifty-eight patients aged 19-40 with diagnosed ovarian endometriosis underwent pre-surgical assessment of their ovarian reserve consisting of antral follicle count (AFC), basal ovarian volume (BOV) and FSH level. Twenty-four patients underwent laparoscopic enucleation of the cyst with CO2 laser ablation and thirty-four patients had enucleation with successive electroablation. The ovarian reserve of the patients was reassessed during follow-up assessments three and six months after surgery. RESULTS: In neither group was there a statistically significant decrease of AFC after three or six months. Additionally, in the group that underwent enucleation with electroablation, a significant drop in FSH level was observed after three months. This group was characterized by a statistically significant decrease in BOV at the three- and six-month follow-up assessments. 17% patients had ovarian relapses visible in the ultrasound scan at the six month follow-up assessment. In the group of patients who underwent enucleation with CO2 laser ablation, BOV had not changed significantly, while a high rate of ovarian relapses (39%) was observed. CONCLUSIONS: The lack of significant changes in AFC level after the surgeries suggests an initial positive evaluation of both techniques in the context of ovarian reserve preservation. The detrimental BOV decrease after enucleation with electroablation and high relapse rate after enucleation after CO2 laser ablation shows that further research is needed in order to optimize the laparoscopic techniques of endometriosis therapy.

A comparative analysis of advanced techniques for skin reconstruction with autologous keratinocyte culture in severely burned children: own experience.

INTRODUCTION: The local treatment in burns larger than 50% of total body surface area is still the great challenge for surgeons. AIM: This paper presents a review of different solutions for deep burn wound healing in children and the early outcomes of treatment with combined autologous cell culture technique. MATERIAL AND METHODS: For this study, 20 children aged between 4 and 12 years with 55-65% of TBSA III grade burn injury were analyzed. A skin sample, 1 cm × 1 cm in size, for keratinocyte cultivation, was taken on the day of the burn. After necrotic tissue excision, the covering of the burned area with an isolated meshed skin graft was carried out between day 4 and 7. After 7 days of keratinocyte cultivation, the mentioned areas were covered with cells from the culture. We divided the burned regions, according to the way of wound closure, into 3 groups each consisting of 15 treated regions of the body. We used meshed split thickness skin grafts (SSG group), cultured autologous keratinocytes (CAC group), and both techniques applied in one stage (SSG + CAC group). RESULTS: In the SSG group, the mean time for complete closure of wounds was 12.7 days. Wounds treated with CAC only needed a non-significantly longer time to heal - 14.2 days (p = 0.056) when compared to SSG. The shortest time to heal was observed in the group treated with SSG + CAC - 8.5 days, and it was significantly shorter when compared to the SSG and CAC groups (p < 0.001). CONCLUSIONS: This study suggests that cultured keratinocytes obtained after short-time multiplication, combined with meshed autologous split thickness skin grafts, constitute the optimal wound closure in burned children.

Levels of plasma matrix metalloproteinases (MMP-2 and MMP-9) in response to INTEGRA® dermal regeneration template implantation.

BACKGROUND: Cutaneous wound healing results in scar formation. Matrix metalloproteinases (MMP) transform extracellular matrix proteins and modulate inflammation and cell signaling, thus determining scar outcome. To provide rapid wound closure and reduced scarring, dermal scaffolds were introduced. Little is known about the influence of these materials on MMPs levels. MATERIAL AND METHODS: In this in vivo study the levels of MMP-2, MMP-9, and mediators of inflammation and fibrosis (IL-4 and TGF-beta1) in patients treated with Integra® dermal regeneration template (IDRT) were investigated. In the group of 11 pediatric patients treated with IDRT, levels of selected molecules were analyzed before surgery and at day 1, 7, and 25 after scaffold implantation. RESULTS: The mean IDRT take rate was 89.5 ± 4.7% with 4 patients (36%) who developed local infection. Patients were divided into 2 groups according to presence of infection (1 group with complications and 1 group without complications). In the group with complications, the IDRT take rate was significantly reduced compared to the group without complications (71.5 ± 5.4 vs. 100 ± 0.1; p<0.005). Plasma levels of MMP-2 were significantly (p<0.05) elevated in both groups on day 7 after the scaffold placement compared to baseline. Positive correlations between IL-4 and MMP-2 (p=0.01) in the group with complications and TGF-beta1 and MMP-9 (p=0.012) in both groups were observed. CONCLUSIONS: These findings suggest that Integra® scaffold degradation is mainly caused by MMP-2, whereas inflammation associated with local infection increases levels of this molecule and it is not associated with elevation of MMP-9. This shows that dermal regeneration with Integra® uses molecular mechanisms other than scar formation during dermal wound healing.

Changes in the plasma cytokine and growth factor profile are associated with impaired healing in pediatric patients treated with INTEGRA® for reconstructive procedures.

BACKGROUND: Large full thickness skin defects caused by trauma or surgery require skin grafting, often in conjunction with dermal scaffolds such as INTEGRA(®). Due to the size and severity of these procedures, complications such as infection may occur. This can lead to poor healing outcomes. OBJECTIVE: To identify early biomarkers of complications during INTEGRA(®) healing. METHODS: Levels of EGF, TGF-ß1, FGF-2, VEGF, IFN-α, GM-CSF, IL-4 and IL-8 were measured pre-surgery and at days 1, 7 and 25 post-surgery in peripheral blood of 15 pediatric patients treated with INTEGRA(®) for reconstructive procedures. The levels of these molecules were analysed with respect to the occurrence of complications. RESULTS: Complications (local infection) occurred in a group of 4 patients. This resulted in a reduced INTEGRA(®) take rate comparing to the group without complications (71.5±5.4% vs. 98.1±0.7%). In cases with complications there were significantly higher plasma concentrations of IL-4 and FGF-2 on day 7 (p=0.037 and p=0.008 respectively). Other markers were not significantly different between groups or at very low level at all time-points. WCC and CRP remained within normal ranges at all time-points. CONCLUSIONS: This data suggests that elevated levels of IL-4 and FGF-2 at early time-points after surgery may predict the development of complications in patients with INTEGRA(®). This may enable early interventions to prevent complications in procedures involving the use of INTEGRA(®).

Multidisciplinary approach to the treatment of a patient with chondrodystrophic myotonia (Schwartz-Jampel vel Aberfeld syndrome): case report and literature review.

Chondrodystrophic myotonia, Schwartz-Jampel syndrome, is a rare congenital disorder, which results from disturbance in a perlecan protein synthesis. Most affected are the muscles, acting in generalized myotonia, leading to joint contractures, weird-looking mask-like face appearance, and causing vision disturbances. Also, impaired bones and cartilages result in skeletal anomalies and dental disorders. Allergic reactions to numerous drugs occur in affected individuals. Surgical treatment is risky, due to a low tolerance of anesthetics and high risk of malignant hyperthermia. In this article, a case of 17-year-old girl with Schwartz-Jampel syndrome is presented. The patient with typical syndrome debilitations underwent long diagnostic scheme and multiple treatments in order to restore acceptable appearance and function. All procedures were performed with cautious anesthesiologists' supervision. Modern diagnostic tools can improve the diagnosis rate while multidisciplinary evaluation and advanced treatment techniques can reveal symptoms, minimizing the hazard of anesthesia and improving the quality of life.

[Venous thrombosis as a barrier in cardiac resynchronization therapy--case report]. / Obstrukcja naczyn zylnych jako przeszkoda w resynchronizujacej stymulacji serca--opis przypadku.

According to results of several international clinical trials, Cardiac Resynchronisation Therapy (CRT) among patients with moderately or severely damaged heart's pumping capacity improves quality of life along with reduction of combined morbidity and hospitalisation measures. The procedure involves placing leads in both ventricles and as all complicated heart catheter procedures can be disturbed in many ways. In order to present possible difficulties occurring during the procedure, we investigate one case of ineffective CRT device implantation. We report a patient with permanent ventricular pacing treated in the Department of Electrocardiology, John Paul II Hospital in Krakow, who was admitted with signs of circulatory decompensation and consequently qualified for CRT. Although the patient was remaining in permanently controlled coumarine therapy, the massive thrombosis made the CRT impossible. In this rare condition following procedures are under consideration: implanting the electrode from the left side and connecting it to the right side located pacemaker (unless there is no thrombosis on this side), microthoracotomy with Hunter electrode epicardial placement to restore the proper heart stimulation. This case report highlights the importance of considering potential difficulties occurring during various electrocardiological procedures in patients with impaired pacemaker function.

[Influence of the radiofrequency current on the left ventricular systolic function]. / Wplyw pradu o czestotliwosci radiowej na czynnosc skurczowa miesnia lewej komory serca.

UNLABELLED: Radio frequency catheter ablation (RFCA)--induced myocardial injury is caused by the thermal, electrical and biological effects of RF current. AIM OF THE STUDY: To assess the changes in the left ventricular systolic function following RFCA. MATERIAL AND METHODS: Ejection fraction (EF) and shortening fraction (FS) were assessed in 24 pacing patients (10 females in age 44-79 years, mean age 64.8 +/- 11 years) before and 24 hours after successful RFCA of an atrio-ventricular node area due to medical refractory chronic atrial fibrillation. RESULTS: The mean number of RFCA applications was 5.5 +/- 5.0, total application time--237.5 +/- 188 sec, cumulative energy--8916.7 +/- 6886.2 J and temperature measured at the tip of electrode--59.6 +/- 4.90 degrees C. We did not find the changes in EF and FS after the ablation. In addition, a non-significant correlation between the left ventricular systolic function and the cumulative RFCA energy was documented. CONCLUSIONS: Non-significant correlation between the left ventricular contractility and the cumulative RFCA energy was observed.