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Детерминанты, движущие эволюцией новых множественных склерозовых повреждений в хронических активных или ремиелинизированных состояниях.

ВВЕДЕНИЕ: После образования мозговые повреждения, возникающие у пациентов с множественным склерозом (MS), могут следовать различным траекториям. Мы стремились определить ранние клинические и МРТ особенности, связанные с эволюцией новых случаев поражения MS в хронически активных и ремиелинизированных состояниях. МЕТОДЫ: Новые повреждения, усиливающие контраст (КВ), были классифицированы после 12-месячной последующей работы с количественным картографированием степени уязвимости (QSM) в парамагнитные повреждения обода (PRLs, представляющие собой хронические повреждения) и изоинтенсивные QSM повре

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… T1 images were rigidly registered to the EPI magnitude images using ANTs ( https://stnava.github.io/ANTs/ ) and the derived transformations were used to register the CE lesion masks to the QSM/SMWI space with nearest-neighbor interpolation. …

"Nobody Told Me": A Qualitative Study of Sexual and Reproductive Concerns After Treatment for Early-Onset Colorectal Cancer.

BACKGROUND: The incidence of early-onset colorectal cancer is rising, yet survivorship care guidelines rarely address concerns unique to you … nalyzed iteratively using directed and conventional qualitative content analysis. RESULTS: Participants discussed sexual and reproductive health side effects resulting from surgery, chemotherapy, and radiation. These side effects ranged in severity, with some experiencing almost none and others facing significant issues. They identified several domain …

Optimal Timing for Rectal Cancer Surgery After Total Neoadjuvant Therapy: When Does Surgery Get Really Challenging?

BACKGROUND: Total neoadjuvant therapy is increasingly used for locally advanced rectal cancer. However, the optimal interval between total neoadjuvant therapy and surgery remains unclear. Existing trials report intervals ranging from 2-4 weeks to 11-18 weeks, and many surgeons believe that surgery becomes more difficult after a certain point, but the exact timing and its impact on complications are unknown. OBJECTIVE: To identify the time point after total neoadjuvant therapy when surgery becomes more challenging and define an optimal window for minimizing postoperative complications in patie

Hyperactive Intestinal Peaks Observed Within Hours After Colorectal Surgery Identify Patients Who Develop Postoperative Ileus.

BACKGROUND: Early recognition of postoperative ileus remains difficult. OBJECTIVE: To determine whether myoelectric activity recorded by a noninvasive, wireless patch system correlated with the onset of postoperative ileus/bowel dysfunction. DESIGN: Single-arm, prospective study. The surgeon was blinded to myoelectric bowel activity until study completion. SETTINGS: Single surgeon, tertiary referral center. PATIENTS: Consecutive adult patients undergoing abdominal colorectal surgery. INTERVENTIONS: Three wireless patches acquiring myoelectrical GI activity were placed on the abdomen after

Low Rates of Colorectal Cancer Screening in First-Degree Relatives of Our Patients: Are We Failing Them?

BACKGROUND: Guidelines recommend screening those with a family history of early-onset colorectal cancer at age 40 years or 10 years before the age of their relative's diagnosis. Currently, there is no literature reporting the screening rate in these individuals, and no protocols are in place to identify and target this population for screening awareness. OBJECTIVE: This study aimed to assess adherence to current screening guidelines among first-degree relatives of patients with early-onset colorectal cancer. DESIGN: Retrospective and qualitative study involving a telephone survey where patie

Reducing Ileostomy Readmissions: Using Implementation Science to Evaluate the Adoption of a Quality Improvement Initiative.

BACKGROUND: Translating empirical evidence into clinical practice remains challenging. Prevention of morbidity from new ileostomies may serv … urses; nurse practitioners; nurse managers; colorectal surgeons; surgery residents; physician assistants; and data abstractors (1-4 participants per site). MAIN OUTCOME MEASURES: Through qualitative content analysis, we located, analyzed, and identified patterns using the Reach, Effectiveness, Adoption, Implementation, and Maintenance framework. RESU …

Laparoscopic Sacral Mesh Fixation for Ventral Rectopexy: Clinical Implications From a Cadaver Study.

BACKGROUND: Correct tack placement at the sacral promontory for mesh fixation in ventral mesh rectopexy is crucial to avoid bleeding, nerve dysfunction, and spondylodiscitis. OBJECTIVE: The present cadaver study was designed to assess the true location of tacks after mesh fixation during laparoscopic ventral mesh rectopexy in relation to vascular and nerve structures and bony landmarks. DESIGN: This was an interventional cadaver study. SETTING: This study was conducted after laparoscopic mesh fixation detailed pelvic dissection was performed following a standardized protocol. In addition, 6

Quantitative Indocyanine Green Fluorescence Imaging Assessment for Nonmucinous Peritoneal Metastases: Preliminary Results of the ICCP Study.

BACKGROUND: In selected patients with peritoneal metastases of colorectal origin, complete cytoreduction has been the main single prognostic factor influencing long-term outcomes. In these patients, indocyanine green fluorescence imaging seems to be useful in detecting small subclinical peritoneal implants. However, quantitative fluorescence analysis has not yet been established as standard. OBJECTIVE: This study aimed to evaluate the sensitivity and specificity of quantitative indocyanine green fluorescence assessment in the detection of peritoneal metastases of nonmucinous colorectal origin…

Incidence and Characterization of Rectal Complications From Fecal Management Systems.

BACKGROUND: Fecal management systems have become ubiquitous in hospitalized patients with fecal incontinence or severe diarrhea, especially in the setting of perianal wounds. Although fecal management system use has been shown to be safe and effective in initial series, case reports of rectal ulceration and severe bleeding have been reported, with a relative paucity of clinical safety data in the literature. OBJECTIVE: The purpose of this study was to determine the rate of rectal complications attributable to fecal management systems, as well as to characterize possible risk factors and appro

Evaluation of a Minimally Invasive Bipolar Coagulation System for the Treatment of Grade I and II Internal Hemorrhoids.

BACKGROUND: Hemorrhoids are common and affect mainly the young and middle-aged populations. Current guidelines recommend treating grade I and II hemorrhoids with office-based procedures. These therapies usually require multiple applications. Hemorrhoid energy therapy treats the hemorrhoids at 1 treatment session. OBJECTIVE: The purpose of this study was to evaluate the safety and efficacy of hemorrhoid energy therapy. DESIGN: This was a prospective pilot study evaluating patients with symptomatic grade I and II internal hemorrhoids. SETTINGS: The study was conducted at a tertiary academic c

Short-term and Long-term Outcomes Following Pelvic Pouch Excision: The Mount Sinai Hospital Experience.

BACKGROUND: Few studies have reported surgical outcomes following pouch excision and fewer have described the long-term sequelae. Given the … tudy. SETTING: This study was conducted at Mount Sinai Hospital, Toronto, Ontario Canada. PARTICIPANTS: Adult patients registered in the prospectively maintained IBD database with a diagnosis of pelvic pouch failure between 1991 and 2018 were selected. INTERVENTION: The patients had undergone pelvic pouch excision was measured. MAIN OUTCOMES AND ME …

[Acceso vascular en apoyo renal agudo].

El acceso vascular es el primer eslabón para la terapia de apoyo extracorpórea renal. A diferencia de la terapia de reemplazo renal para pacientes con enfermedad renal crónica donde la fístula arteriovenosa es la primera opción, seguida del catéter tunelizado, en pacientes con lesión renal aguda el acceso vascular de elección es el catéter temporal. El presente estudio constituye una revisión narrativa de resumen de los estudios que analizan la elección, colocación y cuidados del acceso vascular temporal para apoyo renal agudo. En pacientes que cuentan con fístula arteriovenosa preexistente, s

Practice variations in indication, timing and outcome of Multiple Myeloma patients undergoing surgery for vertebral lesions - results from the European M2Spine study group.

PURPOSE: Painful vertebral lesions are pathognomonic in Multiple Myeloma (MM). While non-surgical management is generally preferred, some patients ultimately require surgical intervention. Here we describe the largest European cohort of MM patients with vertebral lesions to examine the practice variations of spine surgery in means of indication, timing and outcome. METHODS: This study included patients with MM vertebral lesions enrolled in the European M2Spine Registry (DRKS00033326) at seven European academic spine centers between 2005 and 2023. Retrospective analysis evaluated epidemiologic

Features of Lateral Pelvic Lymph Nodes Associated With Pathological Involvement After Total Neoadjuvant Therapy in Patients Undergoing Lateral Pelvic Lymph Node Dissection.

BACKGROUND: There is a lack of consensus regarding treating involved lateral pelvic lymph nodes in rectal cancer. OBJECTIVE: This study aimed to evaluate the clinical and MRI-based factors associated with pathological lateral pelvic lymph node metastasis in patients undergoing total neoadjuvant therapy and lateral pelvic lymph node dissection. DESIGN: This is a retrospective study. SETTINGS: This study was conducted at a single comprehensive cancer center. PATIENTS: A total of 107 patients with advanced low rectal cancer with pretreatment enlarged lateral pelvic lymph nodes (≥7 mm in long

Comparative Study of Diluted Hydrogen Peroxide and Sulfur Hexafluoride in the Contrast-Enhanced Ultrasound Assessment of Anal Fistulas.

BACKGROUND: Endoanal ultrasound for the diagnosis of anal fistulas requires the injection of hydrogen peroxide, but it is often uncomfortable for the patient and has the potential to cause complications. Novel ultrasound contrast is currently available. OBJECTIVE: To assess the efficacy and safety of sulfur hexafluoride as an ultrasound contrast agent for the diagnosis of a perianal fistula by comparing it with those of 50% diluted hydrogen peroxide. DESIGN: Double-blinded superiority study with 4 consecutive visits to perform an ultrasound without contrast, a hydrogen peroxide-enhanced ultr

The Use of the Protease Inhibitor, Saquinavir, to Treat Anal Cancer Spheroids Derived From Human Papillomavirus Transgenic Mice.

BACKGROUND: Anal cancer is associated with high-risk human papillomavirus infection and oncoprotein expression. We have identified several protease inhibitors, used to treat HIV, that decrease oncogene expression. OBJECTIVE: The aim of this project is to determine whether saquinavir, a protease inhibitor, results in a treatment response in anal cancer spheroids. DESIGN: K14E6/E7 transgenic mice (n = 5), which express human papillomavirus 16 oncoproteins E6 and E7 in their epithelium, were treated topically at the anus with a carcinogen, 7,12-dimethylbenz[a]anthracene, to promote anal tumor g

Salvage Surgery: An Effective Therapy in the Management of Ileoanal Pouch Prolapse.

BACKGROUND: Restorative proctocolectomy with IPAA is the surgical treatment of choice for patients requiring surgery for IBD and, less frequently, for other pathologies. Pouch prolapse is a rare complication that compromises pouch function and negatively affects patients' quality of life. OBJECTIVE: This study aimed to describe our experience from a single high-volume center in this infrequent condition. DESIGN: Restrospective cohort study of a prospectively maintained, Institutional Review Board-approved database. SETTINGS: All consecutive eligible patients with IPAA and pouch prolapse wer

Think Twice: De-implementation of Laboratory Testing After Colorectal Surgery.

BACKGROUND: Clinically unindicated laboratory testing contributes to low-value care. Most postoperative day 1 laboratory tests after colorectal surgery are normal. However, no published interventions have shown that reducing overall postoperative laboratory testing is safe. OBJECTIVE: This study aimed to investigate the impact of reducing postoperative laboratory testing after colorectal surgery. DESIGN: This is a quality improvement study. SETTINGS: The study was conducted at an academic center with an enhanced recovery after surgery program that included 5 daily laboratory tests until dis

Does Rectoanal Intussusception Limit Improvements in Clinical Outcome and Quality of Life After Sacral Nerve Stimulation for Fecal Incontinence?

BACKGROUND: Sacral nerve stimulation is a treatment option for severe, medically refractory fecal incontinence, although its use in patients with anatomic abnormalities remains controversial. OBJECTIVE: This study aimed to determine whether patients with rectoanal intussusception achieve similar benefits from device implantation to patients without rectoanal intussusception. DESIGN: Retrospective review of a prospectively maintained database. Demographics and clinical data were collected for each patient, including preoperative pelvic floor testing. Defecographies were reanalyzed in a blinde

Impact of Internal Anal Sphincter Division on Continence Disturbance in Female Patients.

BACKGROUND: Few studies measured the pre- and postoperative anatomic and functional anal canal using 3-dimensional endoanal ultrasound and anal manometry and correlated sphincter division with fecal incontinence, severity, and function. OBJECTIVE: To assess the incidence of fecal incontinence in patients who underwent internal anal sphincter division for anal fissure or intersphincteric anal fistula and correlate severity of symptoms with percentage of divided muscle, anatomical measurements, and anal pressures. DESIGN: Prospective cohort study. SETTINGS: Colorectal surgery unit, tertiary r