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Abstract Background Urinary leakage after removal of the nephrostomy tube post-percutaneous nephrolithotomy (PNL) is a common complication which could be secondary to ureteral stone fragments, blood clots, ureteral edema at the ureteropelvic or ureterovesical junction, or rupture calyx. Unfortunately, it could impact the patient’s hospital stay causing it to be lengthy, delaying time to return to work, and the negative psychological effect. The current study aimed at assessing the role and effectiveness of alpha blockers (tamsulosin) in minimizing the duration of urinary leakage post-percutaneous nephrolithotomy (PNL). Methods In this prospective randomized clinical study, 62 cases of PNL were included. Physical examination, laboratory investigations and radiological work up (KUB and plain computed tomography) were done. Cases were randomized into two equal groups: Group A (31 cases) received tamsulosin perioperatively; Group B (31 cases) did not receive tamsulosin. The two groups were followed postoperatively as regards duration of urinary leakage, urinary catheterization and hospital stay. Results Duration of urinary leakage was statistically significantly shorter in group A (10.61 ± 6.66 h) compared to group B (21.48 ± 12.41 h) (p-value ˂ 0.001). Similarly, duration of hospital stay was shorter in group A (2.52 ± 0.72 days) compared to group B (3.10 ± 0.98) (p-value 0.020). Conclusions In patients undergoing PNL for renal stones and receiving tamsulosin, the duration of urinary leakage, and eventually hospital stay was shorter compared to those not receiving tamsulosin.

The notions of Performance and Performative are emerging in architectural design discourses including heritage processing and repurposing. The literature review shows that the terms are semantically wide and they are linked to a variety of concepts: the open form, the flexible, the dynamic, the event—based spatial settings and the active engagement with space. The essay examines how – beyond museumification -the activation and the reuse of heritage sites can be seen through the lens of Performance and the concept of the Performative, and the difference between passive engagement and active engagement. The essay has three folds aims unfolding as follow: The first explores a literature review analysis of Performative and Performance in architectural discourse, arriving to explore those concepts in the discourses of reuse of historical heritage sites as exhibitions performative venues. The second examines a proposed performative-oriented approach to the reuse of heritage sites which aims at a dynamic and active engagement with the space, opposing to museumification which usually leads to passive engagement while taking examples from Europe. The third one will be centered on the case of the old heart of Sharjah in the United Arab Emirates as a heritage site reinvented and inhabited by the Sharjah Art Foundation, which we will analyze through the lens of the Performative and the practice of Exhibiting.

The purpose of this research is to explore the extent to which internal corporate social responsibility activities affect employees’ normative organizational commitment during the COVID-19 crisis and to survey the role of the administrative level as a moderator between the two of them. A survey in the form of a self-completed questionnaire was conducted on a sample of employees in hospitality and tourism establishments in Hail city, Kingdom of Saudi Arabia. 213 employees voluntarily participated in the current study. Their responses were examined by using linear regression and exploratory factor analyses. The findings revealed that internal corporate social responsibility is a positive predictor of normative organizational commitment. The total effect of internal corporate social responsibility on normative organizational commitment could not be enhanced through the moderation of the administrative position. This study has important implications for both academics and professionals. Theoretical and managerial implications, contributions, limitations, and future study objectives were reviewed in light of the findings.

The exhibition space is a territory where architects and designers have experimented with hybrid and performative spatial qualities. However, such spatial mechanisms have expanded into other spatial practices. As we live in a constantly changing world, these practices allow spatial systems that adjust to continual changes in modes of living. Newer approaches to spatial transformation try to respond to the need for transience and flexibility. Hybrid and performative interventions are elaborated to transform existing spaces with strategic non-architectural rearrangements. As a result, our inhabited spaces, such as exhibitions, are becoming hybrid and performative. However, hybrid and performative may be perceived as tools, or as resulting qualities. The literature review analysis shows many intersections between hybrid and performative. Both terms indicate a flexible built environment that is designed and organised to be multifunctional. Hybrid mostly refers to the various modes of accessing, using and being present in the space, while performative refers to the concept of flexible mechanisms, the openness towards changes and the unpredictable characterisation of a space. Performative is also linked to the ability of the space to multitask and perform different roles, including communicative tasks. This study investigates the repertoire of hybrid and performative through an analysis of a literature review conducted through the lens of exhibition design. We seek to explore and promote applications in spatial interventions and the potential to define a set of analytical tools. Seeing the emergence of a constantly changing world, spatial disciplines are trying to respond with flexible mechanisms. Therefore, newer critical lenses, scholarships, and analytical tools must be investigated, explored, and proposed to cope with such continuous shifts.

Abstract Background It was difficult to compare the outcome of partial nephrectomy among different studies due to the absence of standardized description of different renal masses. This problem led to the development of nephrometry scoring systems. R.E.N.A.L. is among the commonest nephrometry scoring systems; however, some studies failed to find any relation between R.E.N.A.L. with perioperative outcome. We evaluated our designed newly modified nephrometry score in prediction of outcome following partial nephrectomy and compared its predictability versus original R.E.N.A.L. Methods Fifty-one patients with cT1-2N0M0 renal masses amenable for partial nephrectomy were included prospectively. Different perioperative outcome variables were compared according to complexity level in R.E.N.A.L. and the newly modified nephrometry score. Results Clinical staging was T1a (21.6%), T1b (49%), T2a (25.5%), T2b (3.9%). Median R.E.N.A.L. was 9 (4–12). Hilar position and intrarenal pelvis were detected in 19.6% and 68.6%. Low, moderate and high complexity masses were found in 21.6%, 39.2% and 39.2%. Complications and rate of conversion to radical nephrectomy were 17 (33.3%) and 4 (7.8%). The only significantly affected variable (p = 0.039) by R.E.N.A.L. was rate of secondary intervention, but it was higher in low than in high complexity level. In the newly modified nephrometry score, complications (p = 0.037) and rate of positive surgical margin (p = 0.049) were significantly higher with increased complexity level. Although other variables (pelvi-calyceal system entry, operative time, blood loss, hemoglobin loss, blood transfusion and conversion to radical nephrectomy) did not show statistically significant difference according to both scores, they were better associated with the complexity level in the newly modified nephrometry score with their remarkable increase in the high when compared to the low complexity level. Conclusions The newly modified nephrometry score was associated with better prediction of outcome of partial nephrectomy when compared to R.E.N.A.L.

Abstract Background Some authors recommend not to perform laparoscopic radical cystectomy (LRC) for large bulky bladder cancer (BC) as the laparoscopic manipulation will be difficult. As there were no prospective studies focusing on the effect of the tumor stage of BC on the outcome of LRC, the aim of this prospective cohort study was to evaluate the effect of tumor stage on the outcome of LRC. Results LRC was completed for 47 patients. All patients were followed for at least 1 year, and there was no recurrence. COPD, DM, hypertension and renal impairment were detected, respectively, in 57.4%, 36.2%, 44.7% and 10.6% of patients. Transitional cell carcinoma and squamous cell carcinoma were found, respectively, in 91.5% and 8.5% of patients. Complications were reported in 29.78% including 29.78% Clavien grade 1, 17.02% grade 2 and 6.38% grade 3. There was no significant difference between cT2 and cT3 in perioperative criteria including demographic features, operative time, estimated blood loss, blood transfusion, pain score, hospital stay and complications. Upon final pathological assessment, 44.68% of patients were upgraded to higher pathological stages. Additional comparison was performed according to pathological stage and revealed no significant difference in the outcome of LRC between pT2 and higher stages except the pain score at first postoperative day which was higher in patients with pT3 stage. Conclusion LRC is a feasible and safe technique for both T2 and T3 clinical and pathological stages.

Abstract Background To assess patients undergoing radical cystectomy using enhanced recovery protocol and standard protocol in terms of intraoperative and postoperative outcomes and complications. Results All operative and postoperative complications were recorded. In group B, time to normal bowel activity ranged from 1 to 4 days, and the mean was 1.8 days (± 1.02), while it ranged from 1 to 5 days, and the mean was 3.17 days (± 1.14) in group A which was statistically significant (p value

‘Performative’ is an emerging term in architectural discourse. The word ‘performative’ is able to describe spatial qualities and design approaches. The term is mostly linked to the concepts of open-form, and flexibility which are characters that give the spatial design a strategic aspect as the ability to anticipate and host predicted and unpredicted occurrences, and to adjust to future changes, which also gives architecture the character of an unfolding ‘event’ in time and in space. This paper seeks to investigate the terminological and the theoretical dimensions of the term ‘performative.’