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1.
Urology ; 2024 May 31.
Artículo en Inglés | MEDLINE | ID: mdl-38825082

RESUMEN

OBJECTIVE: To compare continence outcomes in post-prostatectomy patients undergoing supervised in-person versus online pelvic floor muscle training and pelvic floor education (iPMFT vs oPFMT/PFE). Despite the proven benefit of in-person PFMT for urinary incontinence (UI) following prostatectomy, numerous barriers impede access. We developed a comprehensive online program to deliver oPFMT/PFE. METHODS: We performed a retrospective review of patients receiving iPFMT versus oPFMT/PFE with minimum 12-month follow-up. Outcomes were assessed at 3 weeks, 3-, 6-, and 12 months following robotic-assisted laparoscopic prostatectomy using validated ICIQ-MLUTS and IIQ-7 questionnaires and additional items (daily pad use [PPD] and satisfaction). The primary study outcome was ICIQ-MLUTS SUI domain score (SDS). Secondary outcomes were PPD, PPD cure (0 PPD at 12 months), SUI cure (12-month SDS=baseline score), and QOL score (IIQ-7 Sum). RESULTS: Analysis included 41 men. Though men enrolled in oPFMT/PFE demonstrated lower SUI domain scores than iPFMT at most time points (3wk P <.01, 3 mo P = .04, 6 mo P = .15, 12 mo P = .04), the rate of improvement from 3 weeks to other time points was similar between groups (P = NS at all time points). SDS Cure was no different for oPFMT/PFE (75%, 15/20) compared to iPFMT (60%, 12/20, P = .3). PPD and IIQ-7 were also similar at all time points and demonstrated a similar rate of decrease over time through 12 months. CONCLUSION: Significant and similar improvements in UI and QOL are seen both in men completing iPFMT or oPFMT/PFE programs. Our novel online program provides another option to improve PFMT/PFE access in men undergoing RALP.

2.
Neurourol Urodyn ; 43(3): 711-718, 2024 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-38356366

RESUMEN

INTRODUCTION: Video urodynamics (UDS) has classically been performed using fluoroscopy (fluoro). Contrast enhanced voiding ultrasonography (ceVUS) has rarely been reported for use with UDS. This is the first study to compare the imaging characteristics of ceVUS versus fluoro UDS. METHODS: Children were enrolled for ceVUS UDS who previously underwent fluoro UDS. Demographics, imaging data for ceVUS and fluoro UDS, time between studies, and clinical data between studies were recorded. Changes in clinical status included implantation/cessation of catheterization or anticholinergic medications, leakage between, urinary tract infections, hydronephrosis and neurologic changes. Comparison testing was performed using McNemar's Chi-Squared and Wilcoxon matched-pairs signed rank test. RESULTS: Seventy-five children were recruited. Median time between studies was 1.3 years (IQR 0.9-2.9). There were no differences for bladder shape (p = 0.59), vesicoureteral reflux (p = 0.10), bladder neck (p = 0.59) or urethra (p = 1.0) between studies. In 5 cases, the bladder neck could not be visualized adequately due to layering of the microbubble contrast against urine. Benefits to ceVUS included ability to visualize the exact moment the bladder neck opened. Following exclusion of patients with clinical changes that might affect imaging findings, an analysis of 28 patients demonstrated no differences between the two studies. CONCLUSIONS: CeVUS can be used adequately in conjunction with UDS. Limitations to ceVUS include more granular imaging for bladder shape versus fluoro and inability to visualize bladder neck if residual urine is in the bladder, mitigated by bladder emptying. Benefits include ability to visualize the dynamic activity of the bladder neck due to constant imaging with ceVUS.


Asunto(s)
Medios de Contraste , Urodinámica , Niño , Humanos , Vejiga Urinaria/diagnóstico por imagen , Fluoroscopía , Ultrasonografía/métodos
3.
BJUI Compass ; 4(6): 722-728, 2023 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-37818018

RESUMEN

Introduction: Incontinence and urgency are common after prostatectomy. The University of Virginia prostatectomy functional outcomes program (PFOP) was developed to comprehensively assess and optimise continence outcomes following robotic-assisted laparoscopic prostatectomy (RALP). Patients are prospectively evaluated by a Female Pelvic Medicine and Reconstructive Surgery specialist. This study assessed for predictors of 3- and 6-month stress urinary incontinence (SUI) and urgency symptom outcomes following RALP. Methods: We performed a post hoc review of patients from our PFOP receiving a minimum of 6-month follow-up. Urinary symptoms are prospectively assessed using the validated International Consultation on Incontinence Questionnaire-Male Lower Urinary Tract Symptoms (ICIQ-MLUTS) questionnaire and daily pad use (pads per day [PPD]). Primary study outcomes included ICIQ-MLUTS SUI and urgency domain scores and PPD. Multivariable linear regression was performed to identify variables associated with outcomes at 3 and 6 months postoperatively. Variables included patient, oncologic and surgical factors. Each variable was run in a separate model with pelvic floor muscle therapy and surgeon to reduce confounding and prevent overfitting. Results: Forty men were included. In assessment of ICIQ-MLUTS SUI domain score, at 3 months, body mass index (BMI) was associated with worse scores, and at 6 months, BMI, hypertension and estimated blood loss (EBL) were associated with worse scores, whereas bilateral nerve-sparing technique was associated with better scores. For ICIQ-MLUTS Urgency domain score, at 3 months, preoperative use of benign prostatic hyperplasia (BPH) medication was associated with better scores. No covariates predicted 6-month ICIQ-MLUTS Urgency domain scores. For PPD use, at both 3 and 6 months, BMI was a positive predictor, while preoperative use of BPH medication was a negative predictor. Conclusion: Increased BMI, EBL and hypertension are associated with worsened SUI outcomes following RALP, whereas bilateral nerve-sparing technique and preoperative BPH medication are associated with improved SUI outcomes. These data may inform patient counselling and help identify patients who may benefit from closer surveillance and earlier anti-incontinence intervention.

4.
J Pediatr Urol ; 19(6): 783.e1-783.e5, 2023 12.
Artículo en Inglés | MEDLINE | ID: mdl-37704527

RESUMEN

INTRODUCTION/OBJECTIVES: Contrast enhanced voiding ultrasonography (ceVUS) has not been widely reported to be used during video urodynamics (UDS). We previously reported on the feasibility of this. In this study, we aimed to understand how parents perceived their child's experience of undergoing ceVUS during UDS compared to fluoroscopic (fluoro) UDS. METHODS: Children who underwent both fluoro UDS and ceVUS UDS were recruited. Parents were asked to complete a questionnaire to evaluate their experience with both studies. Demographics including gender, age at study, and diagnosis were collected to account for differences in perception. Statistical analysis was performed. RESULTS: 53 patients were included: 31 girls, 22 boys. Diagnoses included myelomeningocele (67.9%), low/tethered cord (13.2%), closed spinal dysraphism (9.4%), posterior urethral valve (1.9%), cloacal anomaly (1.9%), caudal regression (1.9%), myeloschisis (1.9%), and cerebral palsy (1.9%). There was no statistical difference in mean age at fluoro UDS and ceVUS UDS (77.3 months vs 99.7 months respectively, p = 0.09). All 53 parents (100%) were satisfied/very satisfied with their ceVUS experience; 48 parents (90.6%) preferred ceVUS, 3 parents (5.7%) preferred fluoro UDS, and 2 (3.8%) were neutral. On average, parents perceived ceVUS to be more comfortable (72.7%) and produce better results (67.4%) than fluoro UDS. The majority felt that both studies allowed the same contact with their child (52.3%) and took the same amount of time (50.0%). However 29.5% felt ceVUS was faster and 34.1% felt ceVUS allowed more contact with their child (Fig. 1). 26 parents (49.1%) specifically noted no radiation as the reason why they preferred ceVUS over fluoro. The average age at ceVUS UDS was younger in those who preferred ceVUS UDS compared to those who preferred fluoro UDS (94.6 months vs 180.0 months, p = 0.03). The average age at fluoro UDS was younger in those who preferred ceVUS UDS vs fluoro UDS (73.1 months vs 144 months, p = 0.03). Gender's influence on preference approached significance (p = 0.07); all 3 parents who preferred fluoro UDS had male children. CONCLUSIONS: The majority of parents preferred ceVUS over fluoro UDS. ceVUS was perceived to be more comfortable and provide better results. Many parents highlighted no radiation and no fluoroscopic machinery as factors in preference of ceVUS over fluoro. The parents who preferred ceVUS UDS had children who had both studies done at an earlier age compared to the parents who preferred fluoro UDS.


Asunto(s)
Defectos del Tubo Neural , Urodinámica , Niño , Femenino , Humanos , Masculino , Fluoroscopía , Micción , Ultrasonografía/métodos , Percepción
5.
Urology ; 178: 54-60, 2023 08.
Artículo en Inglés | MEDLINE | ID: mdl-37353089

RESUMEN

OBJECTIVE: To compare comprehensive continence outcomes in patients receiving pelvic floor muscle training (PFMT) vs standard unsupervised home pelvic floor exercise therapy (UPFE). METHODS: As part of the UVA prostatectomy functional outcomes program, participating patients complete a 12-month PFMT program under FPMRS specialist supervision. We performed a retrospective review of prospectively collected longitudinal outcomes in patients receiving PFMT vs UPFE through 12-month follow-up. Primary study outcome was ICIQ-MLUTS SUI domain score (SDS). Secondary outcomes included daily pad use (PPD), SUI Cure (SDS=0), and quality of life score (IIQ-7). Multilevel mixed effects linear regression was used to model SDS over time. RESULTS: Analysis included 40 men. No difference in patient characteristics was seen in comparison of PFMT vs UPFE cohorts (P = NS, all comparisons). Mean predicted SDS was significantly better in the PFMT vs UPFE cohorts at 6-month (0.81 ± 0.21 vs 1.75 ± 0.34, respectively) (P = .014) and 12-month (0.72 ± 0.17 vs 1.67 ± 0.30, respectively) (P = .004) time points. At 12-month follow-up, 11 (55%) vs 4 (20%) patients reported absence of SUI in PFMT vs UPFE cohorts, respectively. Predicted probabilities of SUI cure in PFMT vs UPFE cohorts at 12months were 0.52 ± 0.14 vs 0.23 ± 0.13, respectively (P = .14). At 12-month follow-up, the mean predicted PPD and IIQ score was 0.19 ± 0.10 vs 0.79 ± 0.33 and 2.86 ± 0.86 vs 2.55 ± 1.07 in PFMT vs UPFE cohorts, respectively (P = NS). CONCLUSION: In-person, FMPRS-directed PFMT is associated with improved SUI domain scores following robotic-assisted laparoscopic prostatectomy, a finding durable through 12-month follow-up.


Asunto(s)
Diafragma Pélvico , Incontinencia Urinaria de Esfuerzo , Masculino , Humanos , Resultado del Tratamiento , Calidad de Vida , Terapia por Ejercicio , Prostatectomía/efectos adversos , Incontinencia Urinaria de Esfuerzo/etiología
6.
World J Urol ; 41(7): 1885-1889, 2023 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-37296234

RESUMEN

PURPOSE: Stress urinary incontinence (SUI) is a well-known adverse outcome following robotic-assisted laparoscopic prostatectomy (RALP). Although postoperative SUI has been extensively studied, little focus has been placed on understanding the natural history and impact of urgency symptoms following RALP. The UVA prostatectomy functional outcomes program (PFOP) was developed to comprehensively assess and optimize continence outcomes following RALP. The present study focuses on assessing urgency outcomes in this cohort. METHODS: PFOP patients with a minimum of 6-months follow up following RALP were included. The PFOP includes prospectively assessed incontinence and quality of life outcomes utilizing ICIQ-MLUTS, Urgency Perception Score (UPS), and IIQ-7 questionnaires. The primary study outcome was urgency urinary incontinence (UUI) as determined by ICIQ-MLUTS UUI domain. Secondary outcomes included urgency (UPS score) and quality of life (IIQ-7). RESULTS: Forty patients were included with median age 63.5 years. Fourteen (35%) patients reported UUI at baseline. UUI and QOL scores worsened compared to baseline at all time-points. Urgency worsened at 3-weeks and 3-months but returned to baseline by 6-months. Notably, 63% of patients without baseline UUI reported de-novo UUI at 6 months. Although QOL was lower in patients with versus without UUI (IIQ-7 score 3.0 vs 0.0, p = 0.009), severity of UUI was not associated with QOL when controlling for SUI severity. CONCLUSION: Our data demonstrate significantly worsened UUI from baseline and a large incidence of de-novo UUI following RALP. Further study is needed to inform how urgency and UUI and its treatment affect health-related quality of life following RALP.


Asunto(s)
Laparoscopía , Procedimientos Quirúrgicos Robotizados , Incontinencia Urinaria de Esfuerzo , Incontinencia Urinaria , Masculino , Humanos , Persona de Mediana Edad , Calidad de Vida , Procedimientos Quirúrgicos Robotizados/efectos adversos , Incontinencia Urinaria/etiología , Incontinencia Urinaria de Esfuerzo/cirugía , Prostatectomía/efectos adversos , Laparoscopía/efectos adversos , Resultado del Tratamiento , Incontinencia Urinaria de Urgencia/diagnóstico
7.
Transl Androl Urol ; 12(12): 1775-1784, 2023 Dec 31.
Artículo en Inglés | MEDLINE | ID: mdl-38196700

RESUMEN

Background: Although pelvic floor muscle training (PFMT) is widely shown to improve post-prostatectomy incontinence (PPI), numerous barriers impede access to formal PFMT and include the limited availability of specialized therapists and financial or scheduling barriers. To address these barriers, we developed a novel online program delivering comprehensive long-term PFMT, pelvic floor education (PFE), and dietary/behavioral modification education. This study is a prospective interim analysis of online PFMT/PFE (oPFMT/PFE), with focus on feasibility, satisfaction, and continence outcomes. Methods: Patients anticipating robotic-assisted laparoscopic prostatectomy (RALP) were recruited (6/2021-9/2022) for oPFMT/PFE. oPFMT/PFE comprises a 12-month program of 3 phases, including multiple exercises with varied contraction types and duration, and comprehensive dietary and behavioral technique education. Incontinence and quality of life (QOL) outcomes are assessed at 3 weeks, 3, 6, and 12 months following RALP using validated International Consultation on Incontinence Questionnaire Male Lower Urinary Tract Symptoms (ICIQ-MLUTS) and Incontinence Impact Questionnaire (IIQ-7) questionnaires and additional items assessing satisfaction, improvement, and daily pad use. Primary study outcomes included ICIQ-MLUTS stress urinary incontinence (SUI) domain score (SDS) and SUI cure [ICIQ SUI domain score (SDS) =0]. Interim 6-month analysis was performed using mixed effects linear regression and mixed effects Poisson regression. Results: Analysis included 21 men (64±6 years). At 6-month follow-up, men undergoing oPFMT/PFE showed significant improvement in SDS compared to the 3-week time point [mean ± standard error (SE) =1.05±0.24 vs. 0.45±0.17, P=0.011], but still experienced higher scores than at baseline (P=0.017). Six-month patient-reported improvement averaged 7.42±0.74 (10-point Likert scale). All (100%) of 19 respondents (2 missing data) found the program easy to use, educational, and would recommend it to others, with 89% expressing satisfaction with the program. During patient interview at 6-month follow-up, no men reported inability to access the program online or any adverse events. Finally, IIQ-7 score improved significantly from the 3-week timepoint (4.47±1.10) at both time points (3-month 1.14±0.44, P<0.001 and 6-month 1.10±0.37, P<0.001), and neither 3- nor 6-month scores differed from baseline (P=0.808 and P=0.444, respectively). Conclusions: Our novel oPFMT/PFE yields significant improvements to validated urinary incontinence (UI) and QOL measures, providing a valuable and accessible treatment option for PPI.

8.
Transl Androl Urol ; 11(8): 1200-1209, 2022 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-36092846

RESUMEN

Background and Objective: Urinary incontinence following prostate treatment (IPT) is a common complication with corresponding negative impacts on quality of life. Pelvic floor muscle training (PFMT) is a non-invasive treatment strategy to treat combat this clinical issue, and has been recognized by medical associations globally and increasingly supported by large bodies of literature. Accordingly, many studies demonstrate a significant benefit of pelvic floor muscle training to continence status and quality of life in men with incontinence following prostate treatment. However, related research is limited by variety in treatment regimens, outcome measures, and study designs, with unclear impact on treatment success. We aim to provide a brief overview of pathology and incidence of incontinence following prostate surgery and an understanding how PFMT is currently used to treat and prevent this clinical consequence. Methods: A comprehensive literature search was conducted utilizing PubMed, Medline, and Google Scholar. Search criteria included systematic reviews and randomized control trials published in the year 2000 to present. References of resulting studies were further analyzed to identify further articles of relevance. Keywords searched included: "post-prostatectomy incontinence", "pelvic muscle strengthening", "Benign Prostatic Hyperplasia", and "pelvic floor muscle training". Peer-reviewed publications that demonstrated a novel addition to the existing body of literature on this subject were included. Key Content and Findings: Upon review of the current research landscape, PFMT is largely supported in treatment of IPT. Analysis of current literature on this subject demonstrates heterogeneity in protocols, measures of treatment success, and patient numbers. Nevertheless, benefits to continence and quality of life are noted across an expansive body of literature and as such, PFMT is therefore recommended as an important part of the treatment algorithm following radical prostatectomy. Conclusions: PFMT is an important and effective part of the treatment algorithm in the prevention and treatment of IPT. Additional research is needed to more extensively assess PFMT's role in treating this clinical consequence, especially following other prostate surgeries.

9.
Urol Oncol ; 39(5): 297.e1-297.e8, 2021 05.
Artículo en Inglés | MEDLINE | ID: mdl-33221258

RESUMEN

INTRODUCTION: Holmium laser enucleation of the prostate (HoLEP) is effective in treating lower urinary tract symptoms from prostatic disease. We investigate the role of HoLEP in the management of patients with benign prostatic hypertrophy (BPH) and prostate cancer (CaP). METHODS: Retrospective review of data regarding all patients undergoing HoLEP at a single institution was performed. Pre- and postoperative PSA, multiparametric MRI, and pathology results were analyzed for those with CaP identified prior to or incidentally at HoLEP. RESULTS: From February 2016 to February 2020, 201 patients underwent HoLEP. Twelve patients had CaP diagnosed before HoLEP: 6 patients with GG1 are on active surveillance (AS), 3 of 4 intermediate-risk patients are on AS and 1 received treatment for disease progression, and both high-risk CaP patients achieved symptomatic benefit from HoLEP and are receiving systemic therapy for CaP. Twenty-one patients (11.1%) with incidentally detected CaP at HoLEP remain on AS or watchful waiting based on clinical scenario. CONCLUSION: Screening for CaP in HoLEP candidates with PSA and MRI is recommended given that >10% will have incidental CaP. After HoLEP for BPH/LUTS, patients with CaP can be surveilled with PSA and/or MRI. Further investigation is warranted to determine the durability of success of these approaches.


Asunto(s)
Láseres de Estado Sólido/uso terapéutico , Prostatectomía/métodos , Hiperplasia Prostática/complicaciones , Hiperplasia Prostática/cirugía , Neoplasias de la Próstata/complicaciones , Neoplasias de la Próstata/cirugía , Anciano , Humanos , Masculino , Persona de Mediana Edad , Estudios Retrospectivos
10.
J Wound Care ; 28(Sup2): S24-S29, 2019 Feb 01.
Artículo en Inglés | MEDLINE | ID: mdl-30767638

RESUMEN

OBJECTIVE:: The purpose of this study was to use a fluorescence imaging system (FIS) (SPYElite, NOVADAQ, US) during lower extremity amputations and develop parameters to predict amputation healing, for which there are no proven, objective tests. We hypothesised that the FIS may identify areas of poor perfusion at the time of amputation and predict potential healing complications. There are no studies involving the FIS used in this study in lower extremity amputation. METHOD:: This prospective cohort study involved patients requiring either below- or above-knee-amputation at one, mid-western medical centre. The FIS was used as per manufacturer's instructions after wound closure and before dressing. Procedure and operative management was unchanged. Through the FIS, perfusion values were plotted along the amputation site to visualise and quantify intraoperative perfusion and to compare with 30-day postoperative amputation healing. RESULTS:: Surgeons determined that all of the 18 participants had adequate perfusion at surgical wound closure. At 30 days, two subjects had wound dehiscence or infection; these correlated with low perfusion values on the FIS imaging. A further six subjects had marginal or low perfusion values, but did not develop wound failure. CONCLUSION:: It is feasible to use the FIS during amputation, however it did not perfectly predict healing course based on vascular perfusion. There were interesting patterns of poor perfusion that correlated with areas of dehiscence or infection but other patients had reduced perfusion that healed well. Due to the small sample size, no discernible perfusion value differences existed between patients who healed and patients with healing complications. A future, larger study may show that the FIS can be predictive of patient healing and aid decisions for intraoperative revision.


Asunto(s)
Amputación Quirúrgica , Extremidad Inferior/irrigación sanguínea , Complicaciones Posoperatorias/prevención & control , Colgajos Quirúrgicos/irrigación sanguínea , Cicatrización de Heridas , Angiografía , Estudios de Cohortes , Femenino , Colorantes Fluorescentes , Humanos , Masculino , Persona de Mediana Edad , Proyectos Piloto , Valor Predictivo de las Pruebas , Estudios Prospectivos , Flujo Sanguíneo Regional , Sensibilidad y Especificidad
11.
J Environ Manage ; 234: 311-319, 2019 Mar 15.
Artículo en Inglés | MEDLINE | ID: mdl-30634123

RESUMEN

The paper presents an evaluation of efficiency and economic potential of the phytoremediation technology, based on the use of energy crops (P. arundinacea L. and B. Napus L.), combined with the fertilization with compost, supported by the addition of nano SiO2. The experiment was conducted in in-situ conditions, using two experimental blocks, divided according to used plant species. Each block included four types of plots with different fertilization treatments (control plots; treatment with nano SiO2; treatment with compost; treatment with mixture of compost and nano SiO2). During the studied period (three vegetation seasons), a cyclic analysis of 16 PAH's content were conducted. Furthermore, a quantitative determination of biomass production was performed as well as assessment of economic potential of different strategies. Data collected during research, shows that method based on energy crops use, due to the join effect of the dangerous pollutants removal and the production of removable energy resource, can be considered as sustainable and should be recommended for use during heavy polluted soil remediation. Moreover, it should be also noted, that the best results for both PAH's removal efficiency and biomass production, were acquired on plots with P. arundinacea L. cultivation, fertilized with mix of compost and nano SiO2.


Asunto(s)
Brassica napus , Compostaje , Phalaris , Contaminantes del Suelo , Biodegradación Ambiental , Dióxido de Silicio , Suelo
12.
J Environ Manage ; 227: 1-9, 2018 Dec 01.
Artículo en Inglés | MEDLINE | ID: mdl-30170232

RESUMEN

The challenge of environment management is a sustainable development of both environmental systems and the green economy. The main objective of this study was the optimization and testing of plant growth-promoting rhizobacteria soil biopreparation and soil amendments as the alternative to or to help offset use of mineral soil fertilizers. A field study was conducted on a degraded area to improve plant biomass yield using inoculated bacteria. Moreover, organic additives (sewage sludge) and inorganic fertilizers were also used to compare their effectiveness. The conducted study investigated the combined effect of immobilized microbial consortium and soil substrates for plant growth (red fescue) on degraded areas and confirmed synergistic interactions between plants, microorganisms and soil substrates in the process of phytoremediation. The formulation consisted of immobilized bacterial consortia having mechanisms for the synthesis of compounds preferably affecting growth and development of (crop) plants. The conducted studies confirmed that the PGPR bacteria used in the experiment have the potential to promote plant growth, increase organic nitrogen the bioavailable P pool in soil. The results of the field study (synergy effect of alternative fertilization and bacteria) can be used to create effective methods in assisted soil bioremediation. This approach has a high social acceptance and reduces resource consumption of fertilizers having an impact on sustainable development. Implementing methods of supporting plant growth using microorganisms can undoubtedly contribute to the development of 'green' resource management.


Asunto(s)
Biodegradación Ambiental , Fertilizantes , Desarrollo de la Planta , Microbiología del Suelo , Minerales , Suelo , Administración de Residuos
13.
J Environ Manage ; 217: 509-519, 2018 Jul 01.
Artículo en Inglés | MEDLINE | ID: mdl-29631240

RESUMEN

Energy crops are one of the possible solutions for reclamation of degraded or contaminated terrain. Their cultivation requires adequate fertilization typically containing high content of organic matter, nitrogen and phosphorous. While sewage sludge may be one source of these necessary nutrients, it may also modify some plant biomass properties, such as total carbon content. In our study, we determined whether sewage sludge (containing different value of heavy metals) could be an effective fertilizer to obtain good quality energy crops (such as Miscanthus x gigantheus and reed canary grass, Phalaris arundinacea) and simultaneously play positive role for improvement of phytoremediation. The 3-year experiment was performed on degraded soil from terrain of steel mill of Czestochowa (Silesian region, Poland). During the study, it was confirmed that sewage sludge (also in combination with urea, CH4N2O) influences the mobility of Pb, Zn, Cd in soil solution, however the intensity of the process can be limited by plant species and time. Both miscanthus, and reed canary grass were characterized by the low value of bioconcentration factor (BCF), but because biomass was high, the total concentration of heavy metals in crops was comparable with hyperaccumulators. Additionally, modification of the fertilization affected energetic parameters, such as the content of carbon, S/Cl ratio, unitary CO2 emission. However, this effect was not statistically significant.


Asunto(s)
Fertilizantes , Metales Pesados , Aguas del Alcantarillado , Polonia , Suelo , Contaminantes del Suelo
14.
Am J Surg ; 213(3): 456-459, 2017 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-28129916

RESUMEN

BACKGROUND: Resident involvement in operations increases operative duration. This study investigated resident impact on operative time for a single general surgeon in an outpatient surgical setting. METHODS: A retrospective review was performed of index general surgical operations meeting inclusion criteria. Operative duration, patient demographics, 30-day complication/readmission rates, and degree of resident involvement were collected. RESULTS: 625 cases were analyzed. Patient demographics were similar for all procedural comparison groups. Operative time increased with resident involvement for each operation-umbilical hernia repairs were associated with a 19% increase (22.3 ± 6.7 versus 26.5 ± 7.5 min, p = 0.002), laparoscopic cholecystectomies demonstrated a 15% increase (25.8 ± 8.7 versus 29.7 ± 10.2 min, p = 0.001), and laparoscopic inguinal hernia repairs demonstrated a 25% increase (32.1 ± 11.3 versus 40.2 ± 8.9 min, p < 0.001). CONCLUSIONS: Each surgeon must decide if the increase in operative duration caused by resident involvement is justified by the intangible benefits residents provide.


Asunto(s)
Colecistectomía Laparoscópica , Hernia Inguinal/cirugía , Hernia Umbilical/cirugía , Internado y Residencia , Tempo Operativo , Procedimientos Quirúrgicos Electivos , Femenino , Humanos , Complicaciones Intraoperatorias , Masculino , Persona de Mediana Edad , Readmisión del Paciente , Complicaciones Posoperatorias , Estudios Retrospectivos
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