Systemic-pulmonary Artery Shunt Using PTFE Prosthesis (Gore-Tex). Early Results and Long-term Follow-up on 105 Consecutive Cases

1981 ◽  
Vol 29 (03) ◽  
pp. 143-147 ◽  
Author(s):  
G. Di Benedetto ◽  
R. Tiraboschi ◽  
V. Vanini ◽  
P. Annecchino ◽  
L. Aiazzi ◽  
...  
2020 ◽  
Vol 7 (12) ◽  
pp. 189-198
Author(s):  
Zeynep Başağaoğlu Demirekin ◽  
Yavuz Findik ◽  
S. Süha Turkaslan ◽  
Timuçin Baykul ◽  
Merve Erken

Introduction: The interpretation of clinical results of dental implant supported prosthesis treatment is very crucial to be able to make a comparison between different implant systems and treatment options and furthermore to benefit the experiences of the other clinicians. However, the clinical outcomes of these studies should be reported in an objective way and be independent from the system used and also be prepared in accordance with certain criteria and standards that have been accepted scientifically world-wide for being reliable and describing long-term results. Aim: Three-hundred and eighty-two consecutive NTA implants were performed on ninety-nine patients. The implants used in 2016 and the constructed restorations were retrospectively analyzed. In addition, the effect of the experience of clinician was evaluated related with the success of the implant therapy. Materials and Method: This retrospective study was conducted in the Department of Prosthodontics Süleyman Demirel University. Three-hundred and eighty-two consecutive NTA implants were performed on ninety-nine patients. The implants used in 2016 and the constructed restorations were retrospectively analyzed. Results: The implants were followed for at least 2 years. In total, 239 implants were inserted. It was found in 143 mandibles. Prosthetic restorations were determined to be partial prosthetics (219), single crown (81) and overdenture prosthetics (64). During the evaluation period, 6 implants failed before prosthetic treatment, ten decementations, six retentive screw loosening and five porcelain chipping were detected. Discussion and Conclusions: The early results of our study are consistent with the results of other studies. However, long-term follow-up is required for more accurate assessments.


2009 ◽  
Vol 7 (3-4) ◽  
pp. 0-0
Author(s):  
Sigitas Čibiras ◽  
Eugenijus Kosinskas

Sigitas Čibiras, Eugenijus KosinskasVilniaus universiteto Širdies ir kraujagyslių ligų klinika, Vilniaus universiteto ligoninės Santariškių klinikos, Santariškių g. 2, LT-08661 VilniusE-mail: [email protected] Įvadas Darbo tikslas – apibendrinti 20 metų patirtį ir įvertinti įgimtos plaučių arterijos (PA) stenozės balioninės valvuloplastikos (BPV) tiesioginius, tarpinius ir vėlyvuosius rezultatus. Ligoniai ir metodai 1987–2007 metais Vilniaus širdies ligų klinikoje buvo atlikta 101 BPV, ligonių amžius nuo 1 paros iki – 39 metų. BPV atlikta esant spaudimo per PA vožtuvą skirtumui > 30 mm Hg. Ligoniai prieš BPV suskirstyti į dvi grupes pagal tai, ar pradinis spaudimo per PA vožtuvą skirtumas <50 mm Hg (1 gruoė), ar > 50 mm Hg (2 grupė). Analizuotas duomenų kitimas tiesiogiai po BPV, tarpiniu laikotarpiu (iki dvejų metų po BVP), vėlyvuoju laikotarpiu (praėjus daugiau kaip dvejiems metams). Ligoniai po BPV buvo suskirstyti į dvi grupes: turintys liekamąjį spaudimo skirtumą iki 36 mm Hg ir daugiau kaip 36 mm Hg. Rezultatai BPV atlikta 18 pacientų, kurių spaudimo per PA vožtuvą skirtumas < 50 mm Hg. Iškart po BVP spaudimo skirtumas per PA vožtuvą sumažėjo nuo 39,5 ± 5 iki 15,83 ± 8,37 mm Hg, tarpiniu laikotarpiu – iki 20 ± 6 mm Hg, vėlyvuoju – iki 21,5 ± 5 mm Hg. BPV atliktos 83 pacientams, kurių spaudimo per PA vožtuvą skirtumas > 50 mm Hg. Tiesiogiai po BVP vidutinis spaudimo skirtumas sumažėjo nuo 81,31 ± 21,28 iki 31,32 ± 13,82 mm Hg, tarpiniu laikotarpiu – iki 27,56 ± 12,71 mm Hg, vėlyvuoju – iki 19,89 ± 10,12 mm Hg. Esant liekamajam spaudimo skirtumui po BPV < 36 mm Hg (58 ligoniai), tarpiniu lakotarpiu vidutinis spaudimo skirtumas 23,66 ± 9,29 mm Hg, vėlyvuoju – 16,85 ± 7,98 mm Hg. Esant liekamajam spaudimo skirtumui po BPV > 36 mm Hg (21 ligonis), tarpiniu laikotarpiu vidutinis spaudimo skirtumas 51,99 ± 20,61 mm Hg, vėlyvuoju – 35,7 ± 16 mm Hg. Vėlyvuoju laikotarpiu spaudimo skirtumas mažėja, bet didėja PA nesandarumas. Tuoj po BPV nesandarumas nustatytas 7 %, tarpiniu laikotarpiu – 53 %, vėlyvuoju – 81,7 % ligonių. Išvados BPV yra gerai toleruojamas ir veiksmingas nechirurginis gydymo būdas. Daugumai ligonių išryškėja vėlyvasis nedidelis plaučių arterijos nesandarumas, kurį retai prireikia gydyti chirurginiu būdu. Mūsų studija rodo, kad tinkama ligonių atranka leidžia pasiekti gerų tiesioginių, tarpinius ir vėlyvųjų rezultatų. Reikšminiai žodžiai: įgimtos širdies ydos, įgimta plaučių arterijos vožtuvo stenozė, balioninė valvuloplastika. Balloon pulmonary artery valvuloplasty – immediate, mid-term and long-term follow-up results: 20-year experience Sigitas Čibiras, Eugenijus KosinskasVilnius University Clinic of Heart and Vascular Medicine, Vilnius University Hospital Santariškių Klinikos, Santariškių str. 2, LT-08661 Vilnius, LithuaniaE-mail: [email protected] Background To analyze immediate, mid-term and long-term follow-up results after percutaneous balloon pulmonary valvuloplasty (BPV) of congenital pulmonary artery (PA) stenosis for a 20-year period. Patients and methods During 1987–2007, in the Vilnius Clinic of Heart Diseases 101 BPV were performed, the patients’ age range being 1 day – 39 years. BPV was performed with the primary PA valvular pressure gradient > 30 mm Hg. Patients before BPV had been divided into two groups: (1) with primary PA pressure gradient < 50 mm Hg; (2) with primary PA pressure gradient > 50 mm Hg. Data were analyzed immediately after BPV, in a mid-term (2 years) and a long-term (more than 2 years) follow-up. The same patients after BPV were divided into two groups: with residual pressure gradient < 36 mmHg and > 36 mmHg. Results Eighteen BPV were performed with the primary PA pressure gradient < 50 mm Hg: the immediate mean pressure gradient decreased from 39.5  ±   5 to 15.83 ± 8.37 mm Hg, in the mid-term period to 20 ± 6 mm Hg, and in the long-term to 21.5 ± 5 mm Hg. Eighty-three BPV were performed with the primary PA pressure gradient > 50 mm Hg; the immediate mean pressure gradient decreased from 81.31 ± 21.28 mm Hg to 31.32 ± 13.82 mm Hg, in the mid-term period to 20 ± 6 mm Hg and in the long-term period to mm Hg. With the residual pressure gradient after BPV < 36 mm Hg (58 patients), in the mid-term period the pressure gradient decreased to 23.66 ± 9.29 mm Hg and in the long-term period to 16.85 ± 7.98 mm Hg. With the residual pressure gradient after BPV > 36 mm Hg (21 patients), in the mid-term period the pressure gradient decreased to 51.99 ± 20.61 mm Hg and in the long-term period to 35.7 ± 16 mm Hg. In the long-term follow-up, the pressure gradient decreased, but PA regurgitation (PAR) was progressive. Immediately after BPV, PAR was seen in 7%, in mid-term follow-up in 53 %, and in long-term follow-up in 81.7 % patients. Conclusions BPV is a well tolerated and effective non-surgical treatment method. Late trivial PAR develops in the majority of cases, but rarely requires surgical treatment. Our study has demonstrated that the appropriate patient selection enables achieving good immediate, mid-term and long-term follow-up results. Keywords: congenital heart defects, congenital pulmonary artery stenosis, balloon valvuloplasty.


1982 ◽  
Vol 90 (5) ◽  
pp. 569-575 ◽  
Author(s):  
Fred M.S. McConnel ◽  
John Teichgraeber

A number of studies over the last decade have reported on a viability of the primary neoglottis reconstruction after total laryngectomy. Early results have been encouraging, although operative and perioperative complications are higher than with a classic laryngectomy. This article reports on a series of 13 neoglottis reconstructions performed at Emory University Medical School using the techniques developed by Mario Staffiert, MD. During the course of the study, the overall success rate has fallen from 80% at three years to 54% at five years. With each succeeding year there has been an increasing need for revision surgery. The series emphasizes the need for long-term follow-up in any vocal rehabilitation procedure.


2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
U Annone ◽  
P Omede' ◽  
F D'Ascenzo ◽  
A Montefusco ◽  
A Milan ◽  
...  

Abstract Introduction Prognosis in pulmonary hypertension (PH) is strictly linked to right ventricle (RV) failure, which results from uncoupling between RV and the superimposed pressure load; in first phases, coupling between these two actors still be preserved, at the price of augmented right ventricle wall tension (RVWT). Purpose We sought to describe how to estimate RVWT with echocardiography, how it correlates with RV hemodynamics and if it may predict prognosis. Methods A total of 190 patients without overt RV failure, with suspected pulmonary hypertension (PH) to a previous echocardiography, underwent to right heart catheterization (RHC) and nearly-simultaneous echocardiography. We estimated RVWT according to Laplace law (RV length × tricuspid regurgitation peak gradient [TRPG]), in order to predict initial RV stress, and was correlated with RV hemodynamic profile; its potential prognostic impact was tested along with canonical RV function parameters. Results In patients enrolled in our study, RVWT correlated significantly with invasive estimation of right ventricle end diastolic pressure (R 0.343, p<0.001); a significant relationship between RVWT and several hemodynamic variables was observed (mean pulmonary artery pressure, pulmonary artery compliance, transpulmonary gradient, pulmonary vascular resistance, RV telediastolic pressure, right atrial pressure, RV stroke work index; all p<0.001). At a mean follow up of five years and three months, only RVWT predicted all-cause mortality (p 0.036), while TAPSE, TAPSE/TRPG, RV fractional area change and RV S' wave did not. Correlation: RWVT and RV hemodynamic Hemodynamic variable R R2 p value Mean pulmonary artery pressure 0.742 0.550 <0.001 RV differential pressure 0.794 0.630 <0.001 Pulmonary artery pulsatory pressure 0.740 0.547 <0.001 Mean right atrium pressure 0.326 0.106 <0.001 Cardiac index/right atrial pressure 0.209 0.044 0.012 RV stroke work index 0.588 0.346 <0.001 Pulmonary artery compliance 0.449 0.202 <0.001 Pulmonary vascular resistance 0.531 0.282 <0.001 Prognosis: different RV variables Discussion We identified a novel bedside echocardiographic predictor of altered RV hemodynamic, which results precociously altered in patients without overt RV failure, and able to predict all cause mortality at a long term follow up. Further studies are needed to confirm its role in PH patients.


1994 ◽  
Vol 2 (1) ◽  
pp. 28-31
Author(s):  
Joel S Fish ◽  
James R Bain ◽  
Ronald Levine

This study has quantitatively measured breast sensation following reduction mammaplasty using a vertical bipedicle technique. Breast sensation was quantitatively assessed by determining pressure and vibratory threshold values preoperatively in 20 subjects, and postoperatively in 15 patients. The nipple, areola and breast body were all independently assessed. Early results, less than one month postoperatively, revealed significant reductions in vibratory and pressure thresholds in the nipple and areola. Long term follow-up revealed that breast sensation returned to normal using this surgical technique.


1986 ◽  
Vol 65 (3) ◽  
pp. 296-302 ◽  
Author(s):  
Yoshishige Nagaseki ◽  
Tohru Shibazaki ◽  
Tatsuo Hirai ◽  
Yasuhiro Kawashima ◽  
Masafumi Hirato ◽  
...  

✓ The authors report the results of a long-term follow-up study of the effects of the physiologically defined selective VIM (nucleus ventralis intermedius)-thalamotomy on tremor of Parkinson's disease in 27 patients and essential tremor in 16 patients. The follow-up period ranged from 3.25 to 10 years (mean 6.58 years). In 43 patients a total of 50 operations (including four bilateral operations and three reoperations) were carried out. The early (2 to 4 weeks after surgery) and late effects on the tremors were determined clinically and electromyographically. Fourteen parkinsonian cases were treated with minimal lesions (about 40 cu mm). Their late results were very similar to the early results: in 10, the tremors were completely abolished, three had a slight residual tremor, and one underwent reoperation 3 months after the first surgery. Eleven essential tremor cases were treated with minimal lesions. Six of these tremors were completely abolished, four patients had slight residual tremors, and one patient with a recurrence underwent reoperation 2 years after the initial surgery. In these 23 successful operations with minimal lesions (excluding two cases with reoperation), the tremor was abolished without discernible long-lasting side effects. The other 23 operations on 16 patients with Parkinson's disease (including one reoperation) and on seven with essential tremor (one of whom also had a minimal lesion on the other side) involved relatively large lesions. In this group, the surgery was successful in almost every case. It was concluded that radiographically and physiologically monitored selective VIM-thalamotomy for parkinsonian and essential tremor is effective even when lesioning is minimal. Moreover, the beneficial effect is maintained over a long period of time.


1983 ◽  
Vol 106 (2) ◽  
pp. 381-388 ◽  
Author(s):  
Douglas S. Moodie ◽  
Derek Fyfe ◽  
Carl C. Gill ◽  
Sebastian A. Cook ◽  
Bruce W. Lytle ◽  
...  

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