29 research outputs found

    Effects of Stable gastric pentadecapeptide BPC 157 and osteogenic material on bone regeneration in mandibula

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    INTRODUCTION: Our work was focused on the effect of Stable gastric pentadecapeptide BPC-157 on the osteointegration of synthetic hydroxyapatite in a 2mm cavity located on the left mandibular body

    Stable Gastric Pentadecapeptide BPC 157 Macroscopic Effect on Haematoma and Swelling in Spinal Cord Injured Rats

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    The aim of this study is to investigate the effect of stable gastric pentadecapeptide BPC 157 effect on counteracting haematoma and swelling caused by spinal cord injury

    PENTADECAPEPTIDE BPC 157 RESOLVES TOURNIQUET INDUCED ISCHEMIAREPERFUSION INJURY

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    This study aimed to investigate tourniquet-induced compartment syndrome of the limb, consequential development of multiple organ dysfunction syndrome, and its counteraction with pentadecapeptide BPC 157 therapy

    Metastatska zahvaćenost interpektoralnih (Rotterovih) limfnih čvorova u odnosu na lokaciju, veličinu i gradus raka dojke

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    The study was aimed at analyzing metastatic involvement in interpectoral (Rotter\u27s) lymph nodes related to site, size and grade in primary breast cancer. The study includes 210 female patients undergoing surgery for breast cancer at the University Hospital for Tumors, Zagreb, Croatia. In addition to the standard surgical procedure, interpectoral (Rotter\u27s) lymph nodes were removed in all of the patients. Rotter\u27s lymph nodes were identified in 66.2% of the patients, with metastatic involvement revealed in 18.5% of the Rotter\u27s nodes. Metastatic involvement of Rotter\u27s nodes in patients with negative and positive axillary lymph nodes was 2.8% and 34.6%, respectively. Considering location of the tumor in patients with metastatic involvement of Rotter\u27s nodes, it was shown that tumors located in the upper breast quadrants were more prone to metastasis to Rotter\u27s nodes, demonstrating a significant positive correlation between tumor location within the breast and positive Rotter\u27s lymph nodes (r=0.93, p=0.02). As regards tumor size, Rotter\u27s nodes were identified in 15%, 20% and 60% of stage T1 (5 cm), respectively with a significant positive correlation (r=0.759, p=0.09). Also considering tumor grade it was shown that metastatic involvement of Rotter\u27s lymph nodes was 3.8%, 17.6% and 31.6% of grade I,II and III, respectivly with a significant positive correlation (r=0.993, p=0.08). The results show that one-fifth of breast cancer patients, or even one-third of them with positive axillary lymph nodes, are discharged with positive interpectoral lymph nodes that remain undiagnozed and non-extirpated. As the nodes can be surgically removed without additional mutilation, the exploration of Rotter\u27s lymph nodes should be introduced into routine clinical practice. In upper breast quadrants, tumors were more prone to metastase in to Rotter\u27s nodes, as well as higher tumor size and grade.U ovom je radu analizirana metastatska zahvaćenost interpektoralnih (Rotterovih) limfnih čvorova u odnosu na lokaciju, veličinu i gradus primarnog raka dojke. Analizirano je 210 bolesnica s rakom dojke operiranih u Klinici za tumore u Zagrebu. U svih su bolesnica, uz standardni kirurški zahvat, uklonjeni i interpektoralni (Rotterovi) limfni čvorovi. Rotterovi limfni čvorovi otkriveni su u 66,2% bolesnica, od kojih je 18,5% bilo zahvaćeno metastazama. Metastatska zahvaćenost Rotterovih čvorova uočena je u 2,8% bolesnica s negativnim aksilarnim čvorovima, odnosno u 34,6% bolesnica s pozitivnim aksilarnim čvorovima. S obzirom na lokaciju tumora u bolesnica s metastatskom zahvaćenosti Rotterovih čvorova, uočeno je da tumori u gornjim kvadrantima dojke češće metastaziraju u Rotterove limfne čvorove, što pokazuje znakovitu pozitivnu povezanost izme|u lokacije tumora u dojci i pozitivnih Rotterovih čvorova (r=0,93, p=0,02). Kad je riječ o veličini tumora, Rotterovi su čvorovi otkriveni u 15% bolesnica sa stadijem tumora T1 (5 cm) uz znakovitu pozivitnu povezanost (r=0,759, p=0,09). S obzirom na gradus tumora, tako|er je uočena metastatska zahvaćenost Rotterovih limfnih čvorova u 3,8% bolesnica s gradusom I, 17,6% bolesnica s gradusom II i 31,6% bolesnica s gradusom III uz znakovitu pozitivnu povezanost (r=0,993, p=0,08). Rezultati pokazuju da je jedna petina bolesnica s rakom dojke, ili čak jedna trećina s pozitivnim aksilarnim limfnim čvorovima otpuštena iz bolnice s pozitivnim interpektoralnim limfnim čvorovima koji nisu dijagnosticirani, pa tako ni uklonjeni. Kako se ti čvorovi mogu ukloniti bez dodatne mutilacije, otkrivanje Rotterovih limfnih čvorova treba postati redovitom kliničkom praksom. Tumori smješteni u gornjim kvadrantima dojke češće metastaziraju u Rotterove čvorove, kao i tumori veće veličine i višega gradusa

    Changes in milk fat in milk under the influence of different temperatures

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    Mliječna mast je uz proteine najvažniji sastojak mlijeka i sira, jer utječe na okus, aromu i konzistenciju te tijek zrenja i randman sira. Može se smatrati kao dobar izvor esencijalnih masnih kiselina i vitamina topivih u mastima. Mliječna mast se u mlijeku nalazi u obliku globula (MFGM - Milk Fat Globule Membrane) obavijenih adsorpcijskom membranom koja stabilizira mliječnu mast u okolnoj sredini mlijeka. Različiti temperaturni režimi, odnosno različite temperature toplinske obrade mlijeka kao i različiti tehnološki postupci u proizvodnji mlijeka i mliječnih proizvoda značajno mijenjaju svojstva membrana globula mliječne masti i utječu na senzorska svojstva konačnog proizvoda. Niske temperature ubrzavaju izdvajanje mliječne masti te utječu na njenu kristalizaciju. Nasuprot tome, visoka kratkotrajna pasterizacija uzrokuje vrlo malo promjena u građi MFGM, dok visoki toplinski tretmani kao što su UHT (Ultra High Temperature) mogu negativno utjecati na proteine MFGM i destabilizirati globule što rezultira koagulacijom mlijeka.Mliječna mast je uz proteine najvažniji sastojak mlijeka i sira, jer utječe na okus, aromu i konzistenciju te tijek zrenja i randman sira. Može se smatrati kao dobar izvor esencijalnih masnih kiselina i vitamina topivih u mastima. Mliječna mast se u mlijeku nalazi u obliku globula (MFGM - Milk Fat Globule Membrane) obavijenih adsorpcijskom membranom koja stabilizira mliječnu mast u okolnoj sredini mlijeka. Različiti temperaturni režimi, odnosno različite temperature toplinske obrade mlijeka kao i različiti tehnološki postupci u proizvodnji mlijeka i mliječnih proizvoda značajno mijenjaju svojstva membrana globula mliječne masti i utječu na senzorska svojstva konačnog proizvoda. Niske temperature ubrzavaju izdvajanje mliječne masti te utječu na njenu kristalizaciju. Nasuprot tome, visoka kratkotrajna pasterizacija uzrokuje vrlo malo promjena u građi MFGM, dok visoki toplinski tretmani kao što su UHT (Ultra High Temperature) mogu negativno utjecati na proteine MFGM i destabilizirati globule što rezultira koagulacijom mlijeka

    Analiza tumorskog markera CA 15-3 i hormonskog statusa u ondosu na metastatsku zahvaćenost interpektoralnih (Rotterovih) limfnih čvorova

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    The study was aimed at analyzing metastatic involvement in interpectoral (Rotter\u27s) lymph nodes related to tumor marker CA 15-3 and hormone receptor status. The study includes 172 female patients undergoing surgery for breast cancer at the University Hospital for Tumors, Zagreb, Croatia from November 2001 to August 2003. In addition to the standard surgical procedure, interpectoral (Rotter\u27s) lymph nodes were removed in all of the patients. Levels of the serum tumor marker CA 15-3 was determined prior to surgery and hormone receptors status were determined after the surgery. Rotter\u27s lymph nodes were identified in 67% of the patients, with metastatic involvement revealed in 20% of the Rotter\u27s nodes. Metastatic involvement of Rotter\u27s nodes in patients with negative and positive axillary lymph nodes was 4% and 35%, respectively. Of 35 Rotter\u27s node-positive patients, 31.4% had elevated serum levels of tumor marker CA 15-3, with the level statistically significantly higher in Rotter\u27s positive patients compared to those with negative (or absent) Rotter\u27s nodes ( 2=8.22, p= 0.0004). Hormone receptor status showed statistically significant difference in the expression of estrogen receptors and no statistically significant difference in progesteron receptors between patients with and those without positive Rotter\u27s nodes (2=3.68; p=0.05 and 2=0.07;p=0.79). The results show that one-fifth of breast cancer patients, or even one-third of them with positive axillary lymph nodes, are discharged with positive interpectoral lymph nodes that remain undiagnosed and non-extirpated. Tumor marker CA 15-3 is more frequently elevated in patients with positive Rotter\u27s lymph nodes. Estrogen receptors are as well more frequently negative in such patients. Progesteron receptors show no difference in patients with positive or negative Rotter\u27s lymph nodes. As the nodes can be surgically removed without additional mutilation, the exploration of Rotter\u27s lymph nodes should be introduced into routine clinical practice and the elevated values of tumor marker CA 15-3 could be warning for possible positive interpectoral nodes.U radu je analizirana zahvaćenost interpektoralnih (Rotterovih) limfnih čvorova metastazama u odnosu na vrijednosti tumorskog markera CA 15-3 i hormonski status. Analizirane su 172 bolesnice s rakom dojke operirane u Klinici za tumore, Zagreb od studenog 2001. do kolovoza 2003. U svih su bolesnica, uz standardnu operaciju, uklonjeni i interpektoralni (Rotterovi) limfni čvorov. Prije operacije su izmjerene vrijednosti tumorskog markera CA15- 3, a nakon operacije vrijednosti hormonskih receptora. Rotterovi limfni čvorovi otkriveni su u 67% bolesnica, od kojih je 20% bilo zahvaćeno metastazama. U bolesnica s negativnim aksilarnim limfnim čvorovima metastatska zahvaćenost Rotterovih limfnih čvorova iznosila je 4%, a u bolesnica s pozitivnim aksilarnim limfnim čvorovima 35 %. Od 35 bolesnica s pozitivnim Rotterovim limfnim čvorovima u njih 31, 4% bio je i povišen tumorski marker CA 15- 3 što je statistički znakovito viša vrijednost u odnosu na žene s rakom dojke s negativnim (ili neprisutnim) Rotterovim limfnim čvorovima (_2=8,22, p= 0,0004). Hormonski status pokazuje statistički znakovitu razliku u ekspresiji estrogenskih receptora, a u ekspresiji progesteronskih receptora takva razlika između bolesnica sa ili bez pozitivnih Rotterovih čvorova nije uočena (_2=3,68; p=0,05 and _2=0.07;p=0,79). Rezultati pokazuju da je jedna petina bolesnica s rakom dojke, ili čak jedna trećina s pozitivnim aksilarnim limfnimčvorovima otpuštena iz bolnice s pozitivnim interpektoralnim limfnim čvorovima koji nisu dijagnosticirani, pa tako ni uklonjeni. Vrijednosti tumorskog markera češće su povišene u bolesnica s pozitivnim Rotterovim čvorovima. Estrogenski su receptori u tih bolesnica tako|er bili češće negativni, a progesteronski receptori ne pokazuju razlike između bolesnica s pozitivnim i onima s negativnim Rotterovim čvorovima. Kako se ti čvorovi mogu ukloniti bez dodatne mutilacije, otkrivanje Rotterovih limfnih čvorova treba postati redovitom kliničkom praksom, a pritom povišene vrijednosti tumorskog markera CA 15-3 mogu upozoravati na eventualno pozitivne interpektoralne limfne čvorove

    Poštedni kirurški zahvati karcinoma dojke u Klinici za tumore

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    Surgical treatment for breast cancer remains the dominant method despite a number of minor changes in the approach. While some twenty-odd years ago, a diagnosis of breast cancer meant removal of the entire breast and beyond, today the same result (both success or fail results) can be achieved with conservative care. Participants of the Consensus Conference in Paris in 1990 reached the conclusion that breast- conserving surgery followed by irradiation is an appropriate method of primary therapy for the majority of women with stage I and II breast cancer, and is preferable because it provides survival equivalent to mastectomy while preserving the breast.Kirurško liječenje raka dojke i dalje je dominantan postupak i uz brojne manje promjene koncepta. Dok je prije dvadesetak godina dijagnoza raka dojke značila uklanjanje cijele dojke pa i više, danas je moguće s jednakim rezultatom (uspjehom i neuspjehom) liječiti rak dojke poštednim zahvatom. Na Konsenzus konferenciji u Parizu 1990. godine donesen je zaključak da je poštedni kirurški zahvat s popratnom iradijacijom odgovarajuća metoda primarne terapije u liječenju raka dojke u žena sa stadijemI i II, te se preferira u odnosu na mastektomiju zbog jednakog preživljenja
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